19606500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4357}}^1$

素因数の和:4382

約数の個数: 72

約数和(自身を含む): 61866168

約数和(自身を除く): 42259668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4357, 4500, 8714, 13071, 17428, 21785, 26142, 39213, 43570, 52284, 65355, 78426, 87140, 108925, 130710, 156852, 196065, 217850, 261420, 326775, 392130, 435700, 544625, 653550, 784260, 980325, 1089250, 1307100, 1633875, 1960650, 2178500, 3267750, 3921300, 4901625, 6535500, 9803250, 19606500]

約数ペア:

[(1, 19606500), (2, 9803250), (3, 6535500), (4, 4901625), (5, 3921300), (6, 3267750), (9, 2178500), (10, 1960650), (12, 1633875), (15, 1307100), (18, 1089250), (20, 980325), (25, 784260), (30, 653550), (36, 544625), (45, 435700), (50, 392130), (60, 326775), (75, 261420), (90, 217850), (100, 196065), (125, 156852), (150, 130710), (180, 108925), (225, 87140), (250, 78426), (300, 65355), (375, 52284), (450, 43570), (500, 39213), (750, 26142), (900, 21785), (1125, 17428), (1500, 13071), (2250, 8714), (4357, 4500)]