18468560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 48425472

約数和(自身を除く): 29956912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 677, 682, 880, 1240, 1354, 1364, 1705, 2480, 2708, 2728, 3385, 3410, 5416, 5456, 6770, 6820, 7447, 10832, 13540, 13640, 14894, 20987, 27080, 27280, 29788, 37235, 41974, 54160, 59576, 74470, 83948, 104935, 119152, 148940, 167896, 209870, 230857, 297880, 335792, 419740, 461714, 595760, 839480, 923428, 1154285, 1678960, 1846856, 2308570, 3693712, 4617140, 9234280, 18468560]

約数ペア:

[(1, 18468560), (2, 9234280), (4, 4617140), (5, 3693712), (8, 2308570), (10, 1846856), (11, 1678960), (16, 1154285), (20, 923428), (22, 839480), (31, 595760), (40, 461714), (44, 419740), (55, 335792), (62, 297880), (80, 230857), (88, 209870), (110, 167896), (124, 148940), (155, 119152), (176, 104935), (220, 83948), (248, 74470), (310, 59576), (341, 54160), (440, 41974), (496, 37235), (620, 29788), (677, 27280), (682, 27080), (880, 20987), (1240, 14894), (1354, 13640), (1364, 13540), (1705, 10832), (2480, 7447), (2708, 6820), (2728, 6770), (3385, 5456), (3410, 5416)]