18479970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 51554880

約数和(自身を除く): 33074910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 101, 107, 114, 171, 190, 202, 214, 285, 303, 321, 342, 505, 535, 570, 606, 642, 855, 909, 963, 1010, 1070, 1515, 1605, 1710, 1818, 1919, 1926, 2033, 3030, 3210, 3838, 4066, 4545, 4815, 5757, 6099, 9090, 9595, 9630, 10165, 10807, 11514, 12198, 17271, 18297, 19190, 20330, 21614, 28785, 30495, 32421, 34542, 36594, 54035, 57570, 60990, 64842, 86355, 91485, 97263, 108070, 162105, 172710, 182970, 194526, 205333, 324210, 410666, 486315, 615999, 972630, 1026665, 1231998, 1847997, 2053330, 3079995, 3695994, 6159990, 9239985, 18479970]

約数ペア:

[(1, 18479970), (2, 9239985), (3, 6159990), (5, 3695994), (6, 3079995), (9, 2053330), (10, 1847997), (15, 1231998), (18, 1026665), (19, 972630), (30, 615999), (38, 486315), (45, 410666), (57, 324210), (90, 205333), (95, 194526), (101, 182970), (107, 172710), (114, 162105), (171, 108070), (190, 97263), (202, 91485), (214, 86355), (285, 64842), (303, 60990), (321, 57570), (342, 54035), (505, 36594), (535, 34542), (570, 32421), (606, 30495), (642, 28785), (855, 21614), (909, 20330), (963, 19190), (1010, 18297), (1070, 17271), (1515, 12198), (1605, 11514), (1710, 10807), (1818, 10165), (1919, 9630), (1926, 9595), (2033, 9090), (3030, 6099), (3210, 5757), (3838, 4815), (4066, 4545)]