18310910

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 33786720

約数和(自身を除く): 15475810

約数列:

[1, 2, 5, 10, 107, 109, 157, 214, 218, 314, 535, 545, 785, 1070, 1090, 1570, 11663, 16799, 17113, 23326, 33598, 34226, 58315, 83995, 85565, 116630, 167990, 171130, 1831091, 3662182, 9155455, 18310910]

約数ペア:

[(1, 18310910), (2, 9155455), (5, 3662182), (10, 1831091), (107, 171130), (109, 167990), (157, 116630), (214, 85565), (218, 83995), (314, 58315), (535, 34226), (545, 33598), (785, 23326), (1070, 17113), (1090, 16799), (1570, 11663)]