19801116

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{28949}}^1$

素因数の和:28978

約数の個数: 36

約数和(自身を含む): 52689000

約数和(自身を除く): 32887884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 28949, 57898, 86847, 115796, 173694, 260541, 347388, 521082, 550031, 1042164, 1100062, 1650093, 2200124, 3300186, 4950279, 6600372, 9900558, 19801116]

約数ペア:

[(1, 19801116), (2, 9900558), (3, 6600372), (4, 4950279), (6, 3300186), (9, 2200124), (12, 1650093), (18, 1100062), (19, 1042164), (36, 550031), (38, 521082), (57, 347388), (76, 260541), (114, 173694), (171, 115796), (228, 86847), (342, 57898), (684, 28949)]