19355644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 24885476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 121, 154, 197, 203, 242, 308, 319, 394, 406, 484, 638, 788, 812, 847, 1276, 1379, 1694, 2167, 2233, 2758, 3388, 3509, 4334, 4466, 5516, 5713, 7018, 8668, 8932, 11426, 14036, 15169, 22852, 23837, 24563, 30338, 39991, 47674, 49126, 60676, 62843, 79982, 95348, 98252, 125686, 159964, 166859, 251372, 333718, 439901, 667436, 691273, 879802, 1382546, 1759604, 2765092, 4838911, 9677822, 19355644]

約数ペア:

[(1, 19355644), (2, 9677822), (4, 4838911), (7, 2765092), (11, 1759604), (14, 1382546), (22, 879802), (28, 691273), (29, 667436), (44, 439901), (58, 333718), (77, 251372), (116, 166859), (121, 159964), (154, 125686), (197, 98252), (203, 95348), (242, 79982), (308, 62843), (319, 60676), (394, 49126), (406, 47674), (484, 39991), (638, 30338), (788, 24563), (812, 23837), (847, 22852), (1276, 15169), (1379, 14036), (1694, 11426), (2167, 8932), (2233, 8668), (2758, 7018), (3388, 5713), (3509, 5516), (4334, 4466)]