18210545140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{64271}}^1$

素因数の和:64768

約数の個数: 48

約数和(自身を含む): 39562758144

約数和(自身を除く): 21352213004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 457, 620, 914, 1828, 2285, 4570, 9140, 14167, 28334, 56668, 64271, 70835, 128542, 141670, 257084, 283340, 321355, 642710, 1285420, 1992401, 3984802, 7969604, 9962005, 19924010, 29371847, 39848020, 58743694, 117487388, 146859235, 293718470, 587436940, 910527257, 1821054514, 3642109028, 4552636285, 9105272570, 18210545140]

約数ペア:

[(1, 18210545140), (2, 9105272570), (4, 4552636285), (5, 3642109028), (10, 1821054514), (20, 910527257), (31, 587436940), (62, 293718470), (124, 146859235), (155, 117487388), (310, 58743694), (457, 39848020), (620, 29371847), (914, 19924010), (1828, 9962005), (2285, 7969604), (4570, 3984802), (9140, 1992401), (14167, 1285420), (28334, 642710), (56668, 321355), (64271, 283340), (70835, 257084), (128542, 141670)]