18336460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21882740

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 349, 355, 370, 698, 710, 740, 1396, 1420, 1745, 2627, 3490, 5254, 6980, 10508, 12913, 13135, 24779, 25826, 26270, 49558, 51652, 52540, 64565, 99116, 123895, 129130, 247790, 258260, 495580, 916823, 1833646, 3667292, 4584115, 9168230, 18336460]

約数ペア:

[(1, 18336460), (2, 9168230), (4, 4584115), (5, 3667292), (10, 1833646), (20, 916823), (37, 495580), (71, 258260), (74, 247790), (142, 129130), (148, 123895), (185, 99116), (284, 64565), (349, 52540), (355, 51652), (370, 49558), (698, 26270), (710, 25826), (740, 24779), (1396, 13135), (1420, 12913), (1745, 10508), (2627, 6980), (3490, 5254)]