18472860

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 168

約数和(自身を含む): 66839136

約数和(自身を除く): 48366276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 181, 189, 210, 243, 252, 270, 315, 324, 362, 378, 405, 420, 486, 540, 543, 567, 630, 724, 729, 756, 810, 905, 945, 972, 1086, 1134, 1215, 1260, 1267, 1458, 1620, 1629, 1701, 1810, 1890, 2172, 2268, 2430, 2534, 2715, 2835, 2916, 3258, 3402, 3620, 3645, 3780, 3801, 4860, 4887, 5068, 5103, 5430, 5670, 6335, 6516, 6804, 7290, 7602, 8145, 8505, 9774, 10206, 10860, 11340, 11403, 12670, 14580, 14661, 15204, 16290, 17010, 19005, 19548, 20412, 22806, 24435, 25340, 25515, 29322, 32580, 34020, 34209, 38010, 43983, 45612, 48870, 51030, 57015, 58644, 68418, 73305, 76020, 87966, 97740, 102060, 102627, 114030, 131949, 136836, 146610, 171045, 175932, 205254, 219915, 228060, 263898, 293220, 307881, 342090, 410508, 439830, 513135, 527796, 615762, 659745, 684180, 879660, 923643, 1026270, 1231524, 1319490, 1539405, 1847286, 2052540, 2638980, 3078810, 3694572, 4618215, 6157620, 9236430, 18472860]

約数ペア:

[(1, 18472860), (2, 9236430), (3, 6157620), (4, 4618215), (5, 3694572), (6, 3078810), (7, 2638980), (9, 2052540), (10, 1847286), (12, 1539405), (14, 1319490), (15, 1231524), (18, 1026270), (20, 923643), (21, 879660), (27, 684180), (28, 659745), (30, 615762), (35, 527796), (36, 513135), (42, 439830), (45, 410508), (54, 342090), (60, 307881), (63, 293220), (70, 263898), (81, 228060), (84, 219915), (90, 205254), (105, 175932), (108, 171045), (126, 146610), (135, 136836), (140, 131949), (162, 114030), (180, 102627), (181, 102060), (189, 97740), (210, 87966), (243, 76020), (252, 73305), (270, 68418), (315, 58644), (324, 57015), (362, 51030), (378, 48870), (405, 45612), (420, 43983), (486, 38010), (540, 34209), (543, 34020), (567, 32580), (630, 29322), (724, 25515), (729, 25340), (756, 24435), (810, 22806), (905, 20412), (945, 19548), (972, 19005), (1086, 17010), (1134, 16290), (1215, 15204), (1260, 14661), (1267, 14580), (1458, 12670), (1620, 11403), (1629, 11340), (1701, 10860), (1810, 10206), (1890, 9774), (2172, 8505), (2268, 8145), (2430, 7602), (2534, 7290), (2715, 6804), (2835, 6516), (2916, 6335), (3258, 5670), (3402, 5430), (3620, 5103), (3645, 5068), (3780, 4887), (3801, 4860)]