18465590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 40219200

約数和(自身を除く): 21753610

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 349, 370, 407, 481, 698, 715, 814, 962, 1430, 1745, 2035, 2405, 3490, 3839, 4070, 4537, 4810, 5291, 7678, 9074, 10582, 12913, 19195, 22685, 25826, 26455, 38390, 45370, 49907, 52910, 64565, 99814, 129130, 142043, 167869, 249535, 284086, 335738, 499070, 710215, 839345, 1420430, 1678690, 1846559, 3693118, 9232795, 18465590]

約数ペア:

[(1, 18465590), (2, 9232795), (5, 3693118), (10, 1846559), (11, 1678690), (13, 1420430), (22, 839345), (26, 710215), (37, 499070), (55, 335738), (65, 284086), (74, 249535), (110, 167869), (130, 142043), (143, 129130), (185, 99814), (286, 64565), (349, 52910), (370, 49907), (407, 45370), (481, 38390), (698, 26455), (715, 25826), (814, 22685), (962, 19195), (1430, 12913), (1745, 10582), (2035, 9074), (2405, 7678), (3490, 5291), (3839, 4810), (4070, 4537)]