17999080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2194

約数の個数: 64

約数和(自身を含む): 46526400

約数和(自身を除く): 28527320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2153, 4180, 4306, 8360, 8612, 10765, 17224, 21530, 23683, 40907, 43060, 47366, 81814, 86120, 94732, 118415, 163628, 189464, 204535, 236830, 327256, 409070, 449977, 473660, 818140, 899954, 947320, 1636280, 1799908, 2249885, 3599816, 4499770, 8999540, 17999080]

約数ペア:

[(1, 17999080), (2, 8999540), (4, 4499770), (5, 3599816), (8, 2249885), (10, 1799908), (11, 1636280), (19, 947320), (20, 899954), (22, 818140), (38, 473660), (40, 449977), (44, 409070), (55, 327256), (76, 236830), (88, 204535), (95, 189464), (110, 163628), (152, 118415), (190, 94732), (209, 86120), (220, 81814), (380, 47366), (418, 43060), (440, 40907), (760, 23683), (836, 21530), (1045, 17224), (1672, 10765), (2090, 8612), (2153, 8360), (4180, 4306)]