17715980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 23168500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2027, 2185, 4054, 4370, 8108, 8740, 10135, 20270, 38513, 40540, 46621, 77026, 93242, 154052, 186484, 192565, 233105, 385130, 466210, 770260, 885799, 932420, 1771598, 3543196, 4428995, 8857990, 17715980]

約数ペア:

[(1, 17715980), (2, 8857990), (4, 4428995), (5, 3543196), (10, 1771598), (19, 932420), (20, 885799), (23, 770260), (38, 466210), (46, 385130), (76, 233105), (92, 192565), (95, 186484), (115, 154052), (190, 93242), (230, 77026), (380, 46621), (437, 40540), (460, 38513), (874, 20270), (1748, 10135), (2027, 8740), (2185, 8108), (4054, 4370)]