18683560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30305240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1259, 1484, 1855, 2120, 2518, 2968, 3710, 5036, 6295, 7420, 8813, 10072, 12590, 14840, 17626, 25180, 35252, 44065, 50360, 66727, 70504, 88130, 133454, 176260, 266908, 333635, 352520, 467089, 533816, 667270, 934178, 1334540, 1868356, 2335445, 2669080, 3736712, 4670890, 9341780, 18683560]

約数ペア:

[(1, 18683560), (2, 9341780), (4, 4670890), (5, 3736712), (7, 2669080), (8, 2335445), (10, 1868356), (14, 1334540), (20, 934178), (28, 667270), (35, 533816), (40, 467089), (53, 352520), (56, 333635), (70, 266908), (106, 176260), (140, 133454), (212, 88130), (265, 70504), (280, 66727), (371, 50360), (424, 44065), (530, 35252), (742, 25180), (1060, 17626), (1259, 14840), (1484, 12590), (1855, 10072), (2120, 8813), (2518, 7420), (2968, 6295), (3710, 5036)]