17983910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2357}}^1$

素因数の和:2480

約数の個数: 32

約数和(自身を含む): 37350720

約数和(自身を除く): 19366810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2357, 3815, 4714, 7630, 11785, 16499, 23570, 32998, 82495, 164990, 256913, 513826, 1284565, 1798391, 2569130, 3596782, 8991955, 17983910]

約数ペア:

[(1, 17983910), (2, 8991955), (5, 3596782), (7, 2569130), (10, 1798391), (14, 1284565), (35, 513826), (70, 256913), (109, 164990), (218, 82495), (545, 32998), (763, 23570), (1090, 16499), (1526, 11785), (2357, 7630), (3815, 4714)]