18563440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33149}}^1$

素因数の和:33169

約数の個数: 40

約数和(自身を含む): 49327200

約数和(自身を除く): 30763760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33149, 66298, 132596, 165745, 232043, 265192, 331490, 464086, 530384, 662980, 928172, 1160215, 1325960, 1856344, 2320430, 2651920, 3712688, 4640860, 9281720, 18563440]

約数ペア:

[(1, 18563440), (2, 9281720), (4, 4640860), (5, 3712688), (7, 2651920), (8, 2320430), (10, 1856344), (14, 1325960), (16, 1160215), (20, 928172), (28, 662980), (35, 530384), (40, 464086), (56, 331490), (70, 265192), (80, 232043), (112, 165745), (140, 132596), (280, 66298), (560, 33149)]