15690979418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1\times {\mathrm{4021}}^1$

素因数の和:5142

約数の個数: 32

約数和(自身を含む): 25047085440

約数和(自身を除く): 9356106022

約数列:

[1, 2, 19, 38, 103, 206, 997, 1957, 1994, 3914, 4021, 8042, 18943, 37886, 76399, 102691, 152798, 205382, 414163, 828326, 1951129, 3902258, 4008937, 7869097, 8017874, 15738194, 76169803, 152339606, 412920511, 825841022, 7845489709, 15690979418]

約数ペア:

[(1, 15690979418), (2, 7845489709), (19, 825841022), (38, 412920511), (103, 152339606), (206, 76169803), (997, 15738194), (1957, 8017874), (1994, 7869097), (3914, 4008937), (4021, 3902258), (8042, 1951129), (18943, 828326), (37886, 414163), (76399, 205382), (102691, 152798)]