19828350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 53824680

約数和(自身を除く): 33996330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 139, 150, 225, 278, 317, 417, 450, 634, 695, 834, 951, 1251, 1390, 1585, 1902, 2085, 2502, 2853, 3170, 3475, 4170, 4755, 5706, 6255, 6950, 7925, 9510, 10425, 12510, 14265, 15850, 20850, 23775, 28530, 31275, 44063, 47550, 62550, 71325, 88126, 132189, 142650, 220315, 264378, 396567, 440630, 660945, 793134, 1101575, 1321890, 1982835, 2203150, 3304725, 3965670, 6609450, 9914175, 19828350]

約数ペア:

[(1, 19828350), (2, 9914175), (3, 6609450), (5, 3965670), (6, 3304725), (9, 2203150), (10, 1982835), (15, 1321890), (18, 1101575), (25, 793134), (30, 660945), (45, 440630), (50, 396567), (75, 264378), (90, 220315), (139, 142650), (150, 132189), (225, 88126), (278, 71325), (317, 62550), (417, 47550), (450, 44063), (634, 31275), (695, 28530), (834, 23775), (951, 20850), (1251, 15850), (1390, 14265), (1585, 12510), (1902, 10425), (2085, 9510), (2502, 7925), (2853, 6950), (3170, 6255), (3475, 5706), (4170, 4755)]