1913680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 4687200

約数和(自身を除く): 2773520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1259, 1520, 2518, 5036, 6295, 10072, 12590, 20144, 23921, 25180, 47842, 50360, 95684, 100720, 119605, 191368, 239210, 382736, 478420, 956840, 1913680]

約数ペア:

[(1, 1913680), (2, 956840), (4, 478420), (5, 382736), (8, 239210), (10, 191368), (16, 119605), (19, 100720), (20, 95684), (38, 50360), (40, 47842), (76, 25180), (80, 23921), (95, 20144), (152, 12590), (190, 10072), (304, 6295), (380, 5036), (760, 2518), (1259, 1520)]