19902988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41813}}^1$

素因数の和:41841

約数の個数: 24

約数和(自身を含む): 42148512

約数和(自身を除く): 22245524

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 41813, 83626, 167252, 292691, 585382, 710821, 1170764, 1421642, 2843284, 4975747, 9951494, 19902988]

約数ペア:

[(1, 19902988), (2, 9951494), (4, 4975747), (7, 2843284), (14, 1421642), (17, 1170764), (28, 710821), (34, 585382), (68, 292691), (119, 167252), (238, 83626), (476, 41813)]