19215671870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{460697}}^1$

素因数の和:460844

約数の個数: 32

約数和(自身を含む): 35757535968

約数和(自身を除く): 16541864098

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 430, 485, 970, 4171, 8342, 20855, 41710, 460697, 921394, 2303485, 4606970, 19809971, 39619942, 44687609, 89375218, 99049855, 198099710, 223438045, 446876090, 1921567187, 3843134374, 9607835935, 19215671870]

約数ペア:

[(1, 19215671870), (2, 9607835935), (5, 3843134374), (10, 1921567187), (43, 446876090), (86, 223438045), (97, 198099710), (194, 99049855), (215, 89375218), (430, 44687609), (485, 39619942), (970, 19809971), (4171, 4606970), (8342, 2303485), (20855, 921394), (41710, 460697)]