19008220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12343}}^1$

素因数の和:12370

約数の個数: 48

約数和(自身を含む): 49771008

約数和(自身を除く): 30762788

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, 12343, 24686, 49372, 61715, 86401, 123430, 135773, 172802, 246860, 271546, 345604, 432005, 543092, 678865, 864010, 950411, 1357730, 1728020, 1900822, 2715460, 3801644, 4752055, 9504110, 19008220]

約数ペア:

[(1, 19008220), (2, 9504110), (4, 4752055), (5, 3801644), (7, 2715460), (10, 1900822), (11, 1728020), (14, 1357730), (20, 950411), (22, 864010), (28, 678865), (35, 543092), (44, 432005), (55, 345604), (70, 271546), (77, 246860), (110, 172802), (140, 135773), (154, 123430), (220, 86401), (308, 61715), (385, 49372), (770, 24686), (1540, 12343)]