18883150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 43747200

約数和(自身を除く): 24864050

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 38, 50, 55, 65, 95, 110, 130, 139, 143, 190, 209, 247, 275, 278, 286, 325, 418, 475, 494, 550, 650, 695, 715, 950, 1045, 1235, 1390, 1430, 1529, 1807, 2090, 2470, 2641, 2717, 3058, 3475, 3575, 3614, 5225, 5282, 5434, 6175, 6950, 7150, 7645, 9035, 10450, 12350, 13205, 13585, 15290, 18070, 19877, 26410, 27170, 29051, 34333, 38225, 39754, 45175, 58102, 66025, 67925, 68666, 76450, 90350, 99385, 132050, 135850, 145255, 171665, 198770, 290510, 343330, 377663, 496925, 726275, 755326, 858325, 993850, 1452550, 1716650, 1888315, 3776630, 9441575, 18883150]

約数ペア:

[(1, 18883150), (2, 9441575), (5, 3776630), (10, 1888315), (11, 1716650), (13, 1452550), (19, 993850), (22, 858325), (25, 755326), (26, 726275), (38, 496925), (50, 377663), (55, 343330), (65, 290510), (95, 198770), (110, 171665), (130, 145255), (139, 135850), (143, 132050), (190, 99385), (209, 90350), (247, 76450), (275, 68666), (278, 67925), (286, 66025), (325, 58102), (418, 45175), (475, 39754), (494, 38225), (550, 34333), (650, 29051), (695, 27170), (715, 26410), (950, 19877), (1045, 18070), (1235, 15290), (1390, 13585), (1430, 13205), (1529, 12350), (1807, 10450), (2090, 9035), (2470, 7645), (2641, 7150), (2717, 6950), (3058, 6175), (3475, 5434), (3575, 5282), (3614, 5225)]