20180474788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1\times {\mathrm{3739}}^1$

素因数の和:5320

約数の個数: 48

約数和(自身を含む): 38000793600

約数和(自身を除く): 17820318812

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1511, 1786, 3022, 3572, 3739, 6044, 7478, 14956, 28709, 57418, 71017, 71041, 114836, 142034, 142082, 175733, 284068, 284164, 351466, 702932, 1349323, 2698646, 3338927, 5397292, 5649629, 6677854, 11299258, 13355708, 22598516, 107342951, 214685902, 265532563, 429371804, 531065126, 1062130252, 5045118697, 10090237394, 20180474788]

約数ペア:

[(1, 20180474788), (2, 10090237394), (4, 5045118697), (19, 1062130252), (38, 531065126), (47, 429371804), (76, 265532563), (94, 214685902), (188, 107342951), (893, 22598516), (1511, 13355708), (1786, 11299258), (3022, 6677854), (3572, 5649629), (3739, 5397292), (6044, 3338927), (7478, 2698646), (14956, 1349323), (28709, 702932), (57418, 351466), (71017, 284164), (71041, 284068), (114836, 175733), (142034, 142082)]