18518704

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 37564560

約数和(自身を除く): 19045856

約数列:

[1, 2, 4, 8, 16, 29, 58, 107, 116, 214, 232, 373, 428, 464, 746, 856, 1492, 1712, 2984, 3103, 5968, 6206, 10817, 12412, 21634, 24824, 39911, 43268, 49648, 79822, 86536, 159644, 173072, 319288, 638576, 1157419, 2314838, 4629676, 9259352, 18518704]

約数ペア:

[(1, 18518704), (2, 9259352), (4, 4629676), (8, 2314838), (16, 1157419), (29, 638576), (58, 319288), (107, 173072), (116, 159644), (214, 86536), (232, 79822), (373, 49648), (428, 43268), (464, 39911), (746, 24824), (856, 21634), (1492, 12412), (1712, 10817), (2984, 6206), (3103, 5968)]