18648434

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 32990976

約数和(自身を除く): 14342542

約数列:

[1, 2, 7, 14, 71, 73, 142, 146, 257, 497, 511, 514, 994, 1022, 1799, 3598, 5183, 10366, 18247, 18761, 36281, 36494, 37522, 72562, 127729, 131327, 255458, 262654, 1332031, 2664062, 9324217, 18648434]

約数ペア:

[(1, 18648434), (2, 9324217), (7, 2664062), (14, 1332031), (71, 262654), (73, 255458), (142, 131327), (146, 127729), (257, 72562), (497, 37522), (511, 36494), (514, 36281), (994, 18761), (1022, 18247), (1799, 10366), (3598, 5183)]