18371540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 24145900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 739, 1130, 1243, 1478, 2260, 2486, 2956, 3695, 4972, 6215, 7390, 8129, 12430, 14780, 16258, 24860, 32516, 40645, 81290, 83507, 162580, 167014, 334028, 417535, 835070, 918577, 1670140, 1837154, 3674308, 4592885, 9185770, 18371540]

約数ペア:

[(1, 18371540), (2, 9185770), (4, 4592885), (5, 3674308), (10, 1837154), (11, 1670140), (20, 918577), (22, 835070), (44, 417535), (55, 334028), (110, 167014), (113, 162580), (220, 83507), (226, 81290), (452, 40645), (565, 32516), (739, 24860), (1130, 16258), (1243, 14780), (1478, 12430), (2260, 8129), (2486, 7390), (2956, 6215), (3695, 4972)]