19958850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2644

約数の個数: 72

約数和(自身を含む): 56798820

約数和(自身を除く): 36839970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 2609, 3825, 5218, 7650, 7827, 13045, 15654, 23481, 26090, 39135, 44353, 46962, 65225, 78270, 88706, 117405, 130450, 133059, 195675, 221765, 234810, 266118, 391350, 399177, 443530, 587025, 665295, 798354, 1108825, 1174050, 1330590, 1995885, 2217650, 3326475, 3991770, 6652950, 9979425, 19958850]

約数ペア:

[(1, 19958850), (2, 9979425), (3, 6652950), (5, 3991770), (6, 3326475), (9, 2217650), (10, 1995885), (15, 1330590), (17, 1174050), (18, 1108825), (25, 798354), (30, 665295), (34, 587025), (45, 443530), (50, 399177), (51, 391350), (75, 266118), (85, 234810), (90, 221765), (102, 195675), (150, 133059), (153, 130450), (170, 117405), (225, 88706), (255, 78270), (306, 65225), (425, 46962), (450, 44353), (510, 39135), (765, 26090), (850, 23481), (1275, 15654), (1530, 13045), (2550, 7827), (2609, 7650), (3825, 5218)]