18957768

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{7669}}^1$

素因数の和:7781

約数の個数: 32

約数和(自身を含む): 47860800

約数和(自身を除く): 28903032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 7669, 15338, 23007, 30676, 46014, 61352, 92028, 184056, 789907, 1579814, 2369721, 3159628, 4739442, 6319256, 9478884, 18957768]

約数ペア:

[(1, 18957768), (2, 9478884), (3, 6319256), (4, 4739442), (6, 3159628), (8, 2369721), (12, 1579814), (24, 789907), (103, 184056), (206, 92028), (309, 61352), (412, 46014), (618, 30676), (824, 23007), (1236, 15338), (2472, 7669)]