18993488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69829}}^1$

素因数の和:69854

約数の個数: 20

約数和(自身を含む): 38965140

約数和(自身を除く): 19971652

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69829, 139658, 279316, 558632, 1117264, 1187093, 2374186, 4748372, 9496744, 18993488]

約数ペア:

[(1, 18993488), (2, 9496744), (4, 4748372), (8, 2374186), (16, 1187093), (17, 1117264), (34, 558632), (68, 279316), (136, 139658), (272, 69829)]