18909202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13749998

約数列:

[1, 2, 13, 17, 26, 34, 179, 221, 239, 358, 442, 478, 2327, 3043, 3107, 4063, 4654, 6086, 6214, 8126, 39559, 42781, 52819, 79118, 85562, 105638, 556153, 727277, 1112306, 1454554, 9454601, 18909202]

約数ペア:

[(1, 18909202), (2, 9454601), (13, 1454554), (17, 1112306), (26, 727277), (34, 556153), (179, 105638), (221, 85562), (239, 79118), (358, 52819), (442, 42781), (478, 39559), (2327, 8126), (3043, 6214), (3107, 6086), (4063, 4654)]