18972248

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 37100160

約数和(自身を除く): 18127912

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 677, 904, 1354, 2708, 3503, 5416, 7006, 14012, 20987, 28024, 41974, 76501, 83948, 153002, 167896, 306004, 612008, 2371531, 4743062, 9486124, 18972248]

約数ペア:

[(1, 18972248), (2, 9486124), (4, 4743062), (8, 2371531), (31, 612008), (62, 306004), (113, 167896), (124, 153002), (226, 83948), (248, 76501), (452, 41974), (677, 28024), (904, 20987), (1354, 14012), (2708, 7006), (3503, 5416)]