15984928

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 17762912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 431, 488, 608, 862, 976, 1159, 1724, 1952, 2318, 3448, 4636, 6896, 8189, 9272, 13792, 16378, 18544, 26291, 32756, 37088, 52582, 65512, 105164, 131024, 210328, 262048, 420656, 499529, 841312, 999058, 1998116, 3996232, 7992464, 15984928]

約数ペア:

[(1, 15984928), (2, 7992464), (4, 3996232), (8, 1998116), (16, 999058), (19, 841312), (32, 499529), (38, 420656), (61, 262048), (76, 210328), (122, 131024), (152, 105164), (244, 65512), (304, 52582), (431, 37088), (488, 32756), (608, 26291), (862, 18544), (976, 16378), (1159, 13792), (1724, 9272), (1952, 8189), (2318, 6896), (3448, 4636)]