18237060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 56137536

約数和(自身を除く): 37900476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1427, 2130, 2556, 2854, 3195, 4260, 4281, 5708, 6390, 7135, 8562, 12780, 12843, 14270, 17124, 21405, 25686, 28540, 42810, 51372, 64215, 85620, 101317, 128430, 202634, 256860, 303951, 405268, 506585, 607902, 911853, 1013170, 1215804, 1519755, 1823706, 2026340, 3039510, 3647412, 4559265, 6079020, 9118530, 18237060]

約数ペア:

[(1, 18237060), (2, 9118530), (3, 6079020), (4, 4559265), (5, 3647412), (6, 3039510), (9, 2026340), (10, 1823706), (12, 1519755), (15, 1215804), (18, 1013170), (20, 911853), (30, 607902), (36, 506585), (45, 405268), (60, 303951), (71, 256860), (90, 202634), (142, 128430), (180, 101317), (213, 85620), (284, 64215), (355, 51372), (426, 42810), (639, 28540), (710, 25686), (852, 21405), (1065, 17124), (1278, 14270), (1420, 12843), (1427, 12780), (2130, 8562), (2556, 7135), (2854, 6390), (3195, 5708), (4260, 4281)]