18847518

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 19762914

約数列:

[1, 2, 3, 6, 71, 142, 151, 213, 293, 302, 426, 453, 586, 879, 906, 1758, 10721, 20803, 21442, 32163, 41606, 44243, 62409, 64326, 88486, 124818, 132729, 265458, 3141253, 6282506, 9423759, 18847518]

約数ペア:

[(1, 18847518), (2, 9423759), (3, 6282506), (6, 3141253), (71, 265458), (142, 132729), (151, 124818), (213, 88486), (293, 64326), (302, 62409), (426, 44243), (453, 41606), (586, 32163), (879, 21442), (906, 20803), (1758, 10721)]