19856170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 18215126

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 271, 431, 542, 862, 1355, 2155, 2710, 4310, 4607, 7327, 9214, 14654, 23035, 36635, 46070, 73270, 116801, 233602, 584005, 1168010, 1985617, 3971234, 9928085, 19856170]

約数ペア:

[(1, 19856170), (2, 9928085), (5, 3971234), (10, 1985617), (17, 1168010), (34, 584005), (85, 233602), (170, 116801), (271, 73270), (431, 46070), (542, 36635), (862, 23035), (1355, 14654), (2155, 9214), (2710, 7327), (4310, 4607)]