19773644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 19641172

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 97, 113, 164, 194, 226, 388, 451, 452, 902, 1067, 1243, 1804, 2134, 2486, 3977, 4268, 4633, 4972, 7954, 9266, 10961, 15908, 18532, 21922, 43747, 43844, 50963, 87494, 101926, 120571, 174988, 203852, 241142, 449401, 482284, 898802, 1797604, 4943411, 9886822, 19773644]

約数ペア:

[(1, 19773644), (2, 9886822), (4, 4943411), (11, 1797604), (22, 898802), (41, 482284), (44, 449401), (82, 241142), (97, 203852), (113, 174988), (164, 120571), (194, 101926), (226, 87494), (388, 50963), (451, 43844), (452, 43747), (902, 21922), (1067, 18532), (1243, 15908), (1804, 10961), (2134, 9266), (2486, 7954), (3977, 4972), (4268, 4633)]