18663260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12119}}^1$

素因数の和:12146

約数の個数: 48

約数和(自身を含む): 48867840

約数和(自身を除く): 30204580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12119, 24238, 48476, 60595, 84833, 121190, 133309, 169666, 242380, 266618, 339332, 424165, 533236, 666545, 848330, 933163, 1333090, 1696660, 1866326, 2666180, 3732652, 4665815, 9331630, 18663260]

約数ペア:

[(1, 18663260), (2, 9331630), (4, 4665815), (5, 3732652), (7, 2666180), (10, 1866326), (11, 1696660), (14, 1333090), (20, 933163), (22, 848330), (28, 666545), (35, 533236), (44, 424165), (55, 339332), (70, 266618), (77, 242380), (110, 169666), (140, 133309), (154, 121190), (220, 84833), (308, 60595), (385, 48476), (770, 24238), (1540, 12119)]