18720336

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{5821}}^1$

素因数の和:5899

約数の個数: 40

約数和(自身を含む): 49091104

約数和(自身を除く): 30370768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 5821, 11642, 17463, 23284, 34926, 46568, 69852, 93136, 139704, 279408, 390007, 780014, 1170021, 1560028, 2340042, 3120056, 4680084, 6240112, 9360168, 18720336]

約数ペア:

[(1, 18720336), (2, 9360168), (3, 6240112), (4, 4680084), (6, 3120056), (8, 2340042), (12, 1560028), (16, 1170021), (24, 780014), (48, 390007), (67, 279408), (134, 139704), (201, 93136), (268, 69852), (402, 46568), (536, 34926), (804, 23284), (1072, 17463), (1608, 11642), (3216, 5821)]