19453050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 72

約数和(自身を含む): 52809120

約数和(自身を除く): 33356070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 139, 150, 225, 278, 311, 417, 450, 622, 695, 834, 933, 1251, 1390, 1555, 1866, 2085, 2502, 2799, 3110, 3475, 4170, 4665, 5598, 6255, 6950, 7775, 9330, 10425, 12510, 13995, 15550, 20850, 23325, 27990, 31275, 43229, 46650, 62550, 69975, 86458, 129687, 139950, 216145, 259374, 389061, 432290, 648435, 778122, 1080725, 1296870, 1945305, 2161450, 3242175, 3890610, 6484350, 9726525, 19453050]

約数ペア:

[(1, 19453050), (2, 9726525), (3, 6484350), (5, 3890610), (6, 3242175), (9, 2161450), (10, 1945305), (15, 1296870), (18, 1080725), (25, 778122), (30, 648435), (45, 432290), (50, 389061), (75, 259374), (90, 216145), (139, 139950), (150, 129687), (225, 86458), (278, 69975), (311, 62550), (417, 46650), (450, 43229), (622, 31275), (695, 27990), (834, 23325), (933, 20850), (1251, 15550), (1390, 13995), (1555, 12510), (1866, 10425), (2085, 9330), (2502, 7775), (2799, 6950), (3110, 6255), (3475, 5598), (4170, 4665)]