18689776

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:822

約数の個数: 60

約数和(自身を含む): 43538880

約数和(自身を除く): 24849104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 769, 784, 868, 1519, 1538, 1736, 3038, 3076, 3472, 5383, 6076, 6152, 10766, 12152, 12304, 21532, 23839, 24304, 37681, 43064, 47678, 75362, 86128, 95356, 150724, 166873, 190712, 301448, 333746, 381424, 602896, 667492, 1168111, 1334984, 2336222, 2669968, 4672444, 9344888, 18689776]

約数ペア:

[(1, 18689776), (2, 9344888), (4, 4672444), (7, 2669968), (8, 2336222), (14, 1334984), (16, 1168111), (28, 667492), (31, 602896), (49, 381424), (56, 333746), (62, 301448), (98, 190712), (112, 166873), (124, 150724), (196, 95356), (217, 86128), (248, 75362), (392, 47678), (434, 43064), (496, 37681), (769, 24304), (784, 23839), (868, 21532), (1519, 12304), (1538, 12152), (1736, 10766), (3038, 6152), (3076, 6076), (3472, 5383)]