19513970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2467}}^1$

素因数の和:2594

約数の個数: 32

約数和(自身を含む): 40514688

約数和(自身を除く): 21000718

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2467, 3955, 4934, 7910, 12335, 17269, 24670, 34538, 86345, 172690, 278771, 557542, 1393855, 1951397, 2787710, 3902794, 9756985, 19513970]

約数ペア:

[(1, 19513970), (2, 9756985), (5, 3902794), (7, 2787710), (10, 1951397), (14, 1393855), (35, 557542), (70, 278771), (113, 172690), (226, 86345), (565, 34538), (791, 24670), (1130, 17269), (1582, 12335), (2467, 7910), (3955, 4934)]