18233540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3691}}^1$

素因数の和:3732

約数の個数: 48

約数和(自身を含む): 43417920

約数和(自身を除く): 25184380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3691, 4940, 7382, 14764, 18455, 36910, 47983, 70129, 73820, 95966, 140258, 191932, 239915, 280516, 350645, 479830, 701290, 911677, 959660, 1402580, 1823354, 3646708, 4558385, 9116770, 18233540]

約数ペア:

[(1, 18233540), (2, 9116770), (4, 4558385), (5, 3646708), (10, 1823354), (13, 1402580), (19, 959660), (20, 911677), (26, 701290), (38, 479830), (52, 350645), (65, 280516), (76, 239915), (95, 191932), (130, 140258), (190, 95966), (247, 73820), (260, 70129), (380, 47983), (494, 36910), (988, 18455), (1235, 14764), (2470, 7382), (3691, 4940)]