18994010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8753}}^1$

素因数の和:8798

約数の個数: 32

約数和(自身を含む): 40338432

約数和(自身を除く): 21344422

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8753, 17506, 43765, 61271, 87530, 122542, 271343, 306355, 542686, 612710, 1356715, 1899401, 2713430, 3798802, 9497005, 18994010]

約数ペア:

[(1, 18994010), (2, 9497005), (5, 3798802), (7, 2713430), (10, 1899401), (14, 1356715), (31, 612710), (35, 542686), (62, 306355), (70, 271343), (155, 122542), (217, 87530), (310, 61271), (434, 43765), (1085, 17506), (2170, 8753)]