18364450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 38747520

約数和(自身を除く): 20383070

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1487, 2470, 2974, 6175, 7435, 12350, 14870, 19331, 28253, 37175, 38662, 56506, 74350, 96655, 141265, 193310, 282530, 367289, 483275, 706325, 734578, 966550, 1412650, 1836445, 3672890, 9182225, 18364450]

約数ペア:

[(1, 18364450), (2, 9182225), (5, 3672890), (10, 1836445), (13, 1412650), (19, 966550), (25, 734578), (26, 706325), (38, 483275), (50, 367289), (65, 282530), (95, 193310), (130, 141265), (190, 96655), (247, 74350), (325, 56506), (475, 38662), (494, 37175), (650, 28253), (950, 19331), (1235, 14870), (1487, 12350), (2470, 7435), (2974, 6175)]