19198060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 46347840

約数和(自身を除く): 27149780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 569, 964, 1138, 1205, 1687, 2276, 2410, 2845, 3374, 3983, 4820, 5690, 6748, 7966, 8435, 11380, 15932, 16870, 19915, 33740, 39830, 79660, 137129, 274258, 548516, 685645, 959903, 1371290, 1919806, 2742580, 3839612, 4799515, 9599030, 19198060]

約数ペア:

[(1, 19198060), (2, 9599030), (4, 4799515), (5, 3839612), (7, 2742580), (10, 1919806), (14, 1371290), (20, 959903), (28, 685645), (35, 548516), (70, 274258), (140, 137129), (241, 79660), (482, 39830), (569, 33740), (964, 19915), (1138, 16870), (1205, 15932), (1687, 11380), (2276, 8435), (2410, 7966), (2845, 6748), (3374, 5690), (3983, 4820)]