18528268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 19775732

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 599, 703, 814, 836, 1198, 1406, 1628, 2396, 2812, 6589, 7733, 11381, 13178, 15466, 22163, 22762, 26356, 30932, 44326, 45524, 88652, 125191, 243793, 250382, 421097, 487586, 500764, 842194, 975172, 1684388, 4632067, 9264134, 18528268]

約数ペア:

[(1, 18528268), (2, 9264134), (4, 4632067), (11, 1684388), (19, 975172), (22, 842194), (37, 500764), (38, 487586), (44, 421097), (74, 250382), (76, 243793), (148, 125191), (209, 88652), (407, 45524), (418, 44326), (599, 30932), (703, 26356), (814, 22762), (836, 22163), (1198, 15466), (1406, 13178), (1628, 11381), (2396, 7733), (2812, 6589)]