18775376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28621}}^1$

素因数の和:28670

約数の個数: 20

約数和(自身を含む): 37265844

約数和(自身を除く): 18490468

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28621, 57242, 114484, 228968, 457936, 1173461, 2346922, 4693844, 9387688, 18775376]

約数ペア:

[(1, 18775376), (2, 9387688), (4, 4693844), (8, 2346922), (16, 1173461), (41, 457936), (82, 228968), (164, 114484), (328, 57242), (656, 28621)]