20173334588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{561181}}^1$

素因数の和:561258

約数の個数: 48

約数和(自身を含む): 41482573440

約数和(自身を除く): 21309238852

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 817, 836, 946, 1634, 1892, 3268, 8987, 17974, 35948, 561181, 1122362, 2244724, 6172991, 10662439, 12345982, 21324878, 24130783, 24691964, 42649756, 48261566, 96523132, 117286829, 234573658, 265438613, 458484877, 469147316, 530877226, 916969754, 1061754452, 1833939508, 5043333647, 10086667294, 20173334588]

約数ペア:

[(1, 20173334588), (2, 10086667294), (4, 5043333647), (11, 1833939508), (19, 1061754452), (22, 916969754), (38, 530877226), (43, 469147316), (44, 458484877), (76, 265438613), (86, 234573658), (172, 117286829), (209, 96523132), (418, 48261566), (473, 42649756), (817, 24691964), (836, 24130783), (946, 21324878), (1634, 12345982), (1892, 10662439), (3268, 6172991), (8987, 2244724), (17974, 1122362), (35948, 561181)]