19405920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40429}}^1$

素因数の和:40447

約数の個数: 48

約数和(自身を含む): 61130160

約数和(自身を除く): 41724240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40429, 80858, 121287, 161716, 202145, 242574, 323432, 404290, 485148, 606435, 646864, 808580, 970296, 1212870, 1293728, 1617160, 1940592, 2425740, 3234320, 3881184, 4851480, 6468640, 9702960, 19405920]

約数ペア:

[(1, 19405920), (2, 9702960), (3, 6468640), (4, 4851480), (5, 3881184), (6, 3234320), (8, 2425740), (10, 1940592), (12, 1617160), (15, 1293728), (16, 1212870), (20, 970296), (24, 808580), (30, 646864), (32, 606435), (40, 485148), (48, 404290), (60, 323432), (80, 242574), (96, 202145), (120, 161716), (160, 121287), (240, 80858), (480, 40429)]