18547620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 66232320

約数和(自身を除く): 47684700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 43, 52, 60, 65, 70, 78, 79, 84, 86, 91, 105, 129, 130, 140, 156, 158, 172, 182, 195, 210, 215, 237, 258, 260, 273, 301, 316, 364, 390, 395, 420, 430, 455, 474, 516, 546, 553, 559, 602, 645, 780, 790, 860, 903, 910, 948, 1027, 1092, 1106, 1118, 1185, 1204, 1290, 1365, 1505, 1580, 1659, 1677, 1806, 1820, 2054, 2212, 2236, 2370, 2580, 2730, 2765, 2795, 3010, 3081, 3318, 3354, 3397, 3612, 3913, 4108, 4515, 4740, 5135, 5460, 5530, 5590, 6020, 6162, 6636, 6708, 6794, 7189, 7826, 8295, 8385, 9030, 10191, 10270, 11060, 11180, 11739, 12324, 13588, 14378, 15405, 15652, 16590, 16770, 16985, 18060, 19565, 20382, 20540, 21567, 23478, 23779, 28756, 30810, 33180, 33540, 33970, 35945, 39130, 40764, 43134, 44161, 46956, 47558, 50955, 58695, 61620, 67940, 71337, 71890, 78260, 86268, 88322, 95116, 101910, 107835, 117390, 118895, 132483, 142674, 143780, 176644, 203820, 215670, 220805, 234780, 237790, 264966, 285348, 309127, 356685, 431340, 441610, 475580, 529932, 618254, 662415, 713370, 883220, 927381, 1236508, 1324830, 1426740, 1545635, 1854762, 2649660, 3091270, 3709524, 4636905, 6182540, 9273810, 18547620]

約数ペア:

[(1, 18547620), (2, 9273810), (3, 6182540), (4, 4636905), (5, 3709524), (6, 3091270), (7, 2649660), (10, 1854762), (12, 1545635), (13, 1426740), (14, 1324830), (15, 1236508), (20, 927381), (21, 883220), (26, 713370), (28, 662415), (30, 618254), (35, 529932), (39, 475580), (42, 441610), (43, 431340), (52, 356685), (60, 309127), (65, 285348), (70, 264966), (78, 237790), (79, 234780), (84, 220805), (86, 215670), (91, 203820), (105, 176644), (129, 143780), (130, 142674), (140, 132483), (156, 118895), (158, 117390), (172, 107835), (182, 101910), (195, 95116), (210, 88322), (215, 86268), (237, 78260), (258, 71890), (260, 71337), (273, 67940), (301, 61620), (316, 58695), (364, 50955), (390, 47558), (395, 46956), (420, 44161), (430, 43134), (455, 40764), (474, 39130), (516, 35945), (546, 33970), (553, 33540), (559, 33180), (602, 30810), (645, 28756), (780, 23779), (790, 23478), (860, 21567), (903, 20540), (910, 20382), (948, 19565), (1027, 18060), (1092, 16985), (1106, 16770), (1118, 16590), (1185, 15652), (1204, 15405), (1290, 14378), (1365, 13588), (1505, 12324), (1580, 11739), (1659, 11180), (1677, 11060), (1806, 10270), (1820, 10191), (2054, 9030), (2212, 8385), (2236, 8295), (2370, 7826), (2580, 7189), (2730, 6794), (2765, 6708), (2795, 6636), (3010, 6162), (3081, 6020), (3318, 5590), (3354, 5530), (3397, 5460), (3612, 5135), (3913, 4740), (4108, 4515)]