18687510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23071}}^1$

素因数の和:23090

約数の個数: 40

約数和(自身を含む): 50250816

約数和(自身を除く): 31563306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23071, 46142, 69213, 115355, 138426, 207639, 230710, 346065, 415278, 622917, 692130, 1038195, 1245834, 1868751, 2076390, 3114585, 3737502, 6229170, 9343755, 18687510]

約数ペア:

[(1, 18687510), (2, 9343755), (3, 6229170), (5, 3737502), (6, 3114585), (9, 2076390), (10, 1868751), (15, 1245834), (18, 1038195), (27, 692130), (30, 622917), (45, 415278), (54, 346065), (81, 230710), (90, 207639), (135, 138426), (162, 115355), (270, 69213), (405, 46142), (810, 23071)]