18184220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 41005440

約数和(自身を除く): 22821220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 677, 790, 1343, 1354, 1580, 2686, 2708, 3385, 5372, 6715, 6770, 11509, 13430, 13540, 23018, 26860, 46036, 53483, 57545, 106966, 115090, 213932, 230180, 267415, 534830, 909211, 1069660, 1818422, 3636844, 4546055, 9092110, 18184220]

約数ペア:

[(1, 18184220), (2, 9092110), (4, 4546055), (5, 3636844), (10, 1818422), (17, 1069660), (20, 909211), (34, 534830), (68, 267415), (79, 230180), (85, 213932), (158, 115090), (170, 106966), (316, 57545), (340, 53483), (395, 46036), (677, 26860), (790, 23018), (1343, 13540), (1354, 13430), (1580, 11509), (2686, 6770), (2708, 6715), (3385, 5372)]