19715970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2243}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 47500992

約数和(自身を除く): 27785022

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 293, 586, 879, 1465, 1758, 2243, 2930, 4395, 4486, 6729, 8790, 11215, 13458, 22430, 33645, 67290, 657199, 1314398, 1971597, 3285995, 3943194, 6571990, 9857985, 19715970]

約数ペア:

[(1, 19715970), (2, 9857985), (3, 6571990), (5, 3943194), (6, 3285995), (10, 1971597), (15, 1314398), (30, 657199), (293, 67290), (586, 33645), (879, 22430), (1465, 13458), (1758, 11215), (2243, 8790), (2930, 6729), (4395, 4486)]