19308040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 46863360

約数和(自身を除く): 27555320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 677, 713, 920, 1240, 1354, 1426, 2708, 2852, 3385, 3565, 5416, 5704, 6770, 7130, 13540, 14260, 15571, 20987, 27080, 28520, 31142, 41974, 62284, 77855, 83948, 104935, 124568, 155710, 167896, 209870, 311420, 419740, 482701, 622840, 839480, 965402, 1930804, 2413505, 3861608, 4827010, 9654020, 19308040]

約数ペア:

[(1, 19308040), (2, 9654020), (4, 4827010), (5, 3861608), (8, 2413505), (10, 1930804), (20, 965402), (23, 839480), (31, 622840), (40, 482701), (46, 419740), (62, 311420), (92, 209870), (115, 167896), (124, 155710), (155, 124568), (184, 104935), (230, 83948), (248, 77855), (310, 62284), (460, 41974), (620, 31142), (677, 28520), (713, 27080), (920, 20987), (1240, 15571), (1354, 14260), (1426, 13540), (2708, 7130), (2852, 6770), (3385, 5704), (3565, 5416)]