20180817644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1\times {\mathrm{2141}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 38423024640

約数和(自身を除く): 18242206996

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 1663, 2141, 2834, 3326, 4282, 5668, 6652, 8564, 21619, 27833, 43238, 55666, 86476, 111332, 181267, 233369, 362534, 466738, 725068, 933476, 2356471, 3033797, 3560483, 4712942, 6067594, 7120966, 9425884, 12135188, 14241932, 46286279, 92572558, 185145116, 388092647, 776185294, 1552370588, 5045204411, 10090408822, 20180817644]

約数ペア:

[(1, 20180817644), (2, 10090408822), (4, 5045204411), (13, 1552370588), (26, 776185294), (52, 388092647), (109, 185145116), (218, 92572558), (436, 46286279), (1417, 14241932), (1663, 12135188), (2141, 9425884), (2834, 7120966), (3326, 6067594), (4282, 4712942), (5668, 3560483), (6652, 3033797), (8564, 2356471), (21619, 933476), (27833, 725068), (43238, 466738), (55666, 362534), (86476, 233369), (111332, 181267)]