18777776

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3251}}^1$

素因数の和:3297

約数の個数: 30

約数和(自身を含む): 38409372

約数和(自身を除く): 19631596

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3251, 5776, 6502, 13004, 26008, 52016, 61769, 123538, 247076, 494152, 988304, 1173611, 2347222, 4694444, 9388888, 18777776]

約数ペア:

[(1, 18777776), (2, 9388888), (4, 4694444), (8, 2347222), (16, 1173611), (19, 988304), (38, 494152), (76, 247076), (152, 123538), (304, 61769), (361, 52016), (722, 26008), (1444, 13004), (2888, 6502), (3251, 5776)]