17921230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 16448690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 271, 389, 542, 778, 1355, 1945, 2710, 3890, 4607, 6613, 9214, 13226, 23035, 33065, 46070, 66130, 105419, 210838, 527095, 1054190, 1792123, 3584246, 8960615, 17921230]

約数ペア:

[(1, 17921230), (2, 8960615), (5, 3584246), (10, 1792123), (17, 1054190), (34, 527095), (85, 210838), (170, 105419), (271, 66130), (389, 46070), (542, 33065), (778, 23035), (1355, 13226), (1945, 9214), (2710, 6613), (3890, 4607)]