18799436

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 35588448

約数和(自身を除く): 16789012

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 277, 361, 554, 722, 893, 1108, 1444, 1786, 3572, 5263, 10526, 13019, 16967, 21052, 26038, 33934, 52076, 67868, 99997, 199994, 247361, 399988, 494722, 989444, 4699859, 9399718, 18799436]

約数ペア:

[(1, 18799436), (2, 9399718), (4, 4699859), (19, 989444), (38, 494722), (47, 399988), (76, 247361), (94, 199994), (188, 99997), (277, 67868), (361, 52076), (554, 33934), (722, 26038), (893, 21052), (1108, 16967), (1444, 13019), (1786, 10526), (3572, 5263)]