18349940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131071}}^1$

素因数の和:131087

約数の個数: 24

約数和(自身を含む): 44040192

約数和(自身を除く): 25690252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131071, 262142, 524284, 655355, 917497, 1310710, 1834994, 2621420, 3669988, 4587485, 9174970, 18349940]

約数ペア:

[(1, 18349940), (2, 9174970), (4, 4587485), (5, 3669988), (7, 2621420), (10, 1834994), (14, 1310710), (20, 917497), (28, 655355), (35, 524284), (70, 262142), (140, 131071)]