19931100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9515

約数の個数: 72

約数和(自身を含む): 65912448

約数和(自身を除く): 45981348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9491, 18982, 28473, 37964, 47455, 56946, 66437, 94910, 113892, 132874, 142365, 189820, 199311, 237275, 265748, 284730, 332185, 398622, 474550, 569460, 664370, 711825, 797244, 949100, 996555, 1328740, 1423650, 1660925, 1993110, 2847300, 3321850, 3986220, 4982775, 6643700, 9965550, 19931100]

約数ペア:

[(1, 19931100), (2, 9965550), (3, 6643700), (4, 4982775), (5, 3986220), (6, 3321850), (7, 2847300), (10, 1993110), (12, 1660925), (14, 1423650), (15, 1328740), (20, 996555), (21, 949100), (25, 797244), (28, 711825), (30, 664370), (35, 569460), (42, 474550), (50, 398622), (60, 332185), (70, 284730), (75, 265748), (84, 237275), (100, 199311), (105, 189820), (140, 142365), (150, 132874), (175, 113892), (210, 94910), (300, 66437), (350, 56946), (420, 47455), (525, 37964), (700, 28473), (1050, 18982), (2100, 9491)]