18379020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27847}}^1$

素因数の和:27870

約数の個数: 48

約数和(自身を含む): 56141568

約数和(自身を除く): 37762548

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27847, 55694, 83541, 111388, 139235, 167082, 278470, 306317, 334164, 417705, 556940, 612634, 835410, 918951, 1225268, 1531585, 1670820, 1837902, 3063170, 3675804, 4594755, 6126340, 9189510, 18379020]

約数ペア:

[(1, 18379020), (2, 9189510), (3, 6126340), (4, 4594755), (5, 3675804), (6, 3063170), (10, 1837902), (11, 1670820), (12, 1531585), (15, 1225268), (20, 918951), (22, 835410), (30, 612634), (33, 556940), (44, 417705), (55, 334164), (60, 306317), (66, 278470), (110, 167082), (132, 139235), (165, 111388), (220, 83541), (330, 55694), (660, 27847)]