18878370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89897}}^1$

素因数の和:89914

約数の個数: 32

約数和(自身を含む): 51781248

約数和(自身を除く): 32902878

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 89897, 179794, 269691, 449485, 539382, 629279, 898970, 1258558, 1348455, 1887837, 2696910, 3146395, 3775674, 6292790, 9439185, 18878370]

約数ペア:

[(1, 18878370), (2, 9439185), (3, 6292790), (5, 3775674), (6, 3146395), (7, 2696910), (10, 1887837), (14, 1348455), (15, 1258558), (21, 898970), (30, 629279), (35, 539382), (42, 449485), (70, 269691), (105, 179794), (210, 89897)]