18772016

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4909}}^1$

素因数の和:5156

約数の個数: 20

約数和(自身を含む): 36530400

約数和(自身を除く): 17758384

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4909, 9818, 19636, 39272, 78544, 1173251, 2346502, 4693004, 9386008, 18772016]

約数ペア:

[(1, 18772016), (2, 9386008), (4, 4693004), (8, 2346502), (16, 1173251), (239, 78544), (478, 39272), (956, 19636), (1912, 9818), (3824, 4909)]