18864300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 67273472

約数和(自身を除く): 48409172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 691, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1382, 1820, 1950, 2073, 2100, 2275, 2730, 2764, 3455, 3900, 4146, 4550, 4837, 5460, 6825, 6910, 8292, 8983, 9100, 9674, 10365, 13650, 13820, 14511, 17275, 17966, 19348, 20730, 24185, 26949, 27300, 29022, 34550, 35932, 41460, 44915, 48370, 51825, 53898, 58044, 62881, 69100, 72555, 89830, 96740, 103650, 107796, 120925, 125762, 134745, 145110, 179660, 188643, 207300, 224575, 241850, 251524, 269490, 290220, 314405, 362775, 377286, 449150, 483700, 538980, 628810, 673725, 725550, 754572, 898300, 943215, 1257620, 1347450, 1451100, 1572025, 1886430, 2694900, 3144050, 3772860, 4716075, 6288100, 9432150, 18864300]

約数ペア:

[(1, 18864300), (2, 9432150), (3, 6288100), (4, 4716075), (5, 3772860), (6, 3144050), (7, 2694900), (10, 1886430), (12, 1572025), (13, 1451100), (14, 1347450), (15, 1257620), (20, 943215), (21, 898300), (25, 754572), (26, 725550), (28, 673725), (30, 628810), (35, 538980), (39, 483700), (42, 449150), (50, 377286), (52, 362775), (60, 314405), (65, 290220), (70, 269490), (75, 251524), (78, 241850), (84, 224575), (91, 207300), (100, 188643), (105, 179660), (130, 145110), (140, 134745), (150, 125762), (156, 120925), (175, 107796), (182, 103650), (195, 96740), (210, 89830), (260, 72555), (273, 69100), (300, 62881), (325, 58044), (350, 53898), (364, 51825), (390, 48370), (420, 44915), (455, 41460), (525, 35932), (546, 34550), (650, 29022), (691, 27300), (700, 26949), (780, 24185), (910, 20730), (975, 19348), (1050, 17966), (1092, 17275), (1300, 14511), (1365, 13820), (1382, 13650), (1820, 10365), (1950, 9674), (2073, 9100), (2100, 8983), (2275, 8292), (2730, 6910), (2764, 6825), (3455, 5460), (3900, 4837), (4146, 4550)]