18289712

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2237}}^1$

素因数の和:2325

約数の個数: 40

約数和(自身を含む): 41071776

約数和(自身を除く): 22782064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2237, 4088, 4474, 8176, 8948, 15659, 17896, 31318, 35792, 62636, 125272, 163301, 250544, 326602, 653204, 1143107, 1306408, 2286214, 2612816, 4572428, 9144856, 18289712]

約数ペア:

[(1, 18289712), (2, 9144856), (4, 4572428), (7, 2612816), (8, 2286214), (14, 1306408), (16, 1143107), (28, 653204), (56, 326602), (73, 250544), (112, 163301), (146, 125272), (292, 62636), (511, 35792), (584, 31318), (1022, 17896), (1168, 15659), (2044, 8948), (2237, 8176), (4088, 4474)]