19767160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 31450760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 311, 454, 622, 908, 1135, 1244, 1555, 1589, 1816, 2177, 2270, 2488, 3110, 3178, 4354, 4540, 6220, 6356, 7945, 8708, 9080, 10885, 12440, 12712, 15890, 17416, 21770, 31780, 43540, 63560, 70597, 87080, 141194, 282388, 352985, 494179, 564776, 705970, 988358, 1411940, 1976716, 2470895, 2823880, 3953432, 4941790, 9883580, 19767160]

約数ペア:

[(1, 19767160), (2, 9883580), (4, 4941790), (5, 3953432), (7, 2823880), (8, 2470895), (10, 1976716), (14, 1411940), (20, 988358), (28, 705970), (35, 564776), (40, 494179), (56, 352985), (70, 282388), (140, 141194), (227, 87080), (280, 70597), (311, 63560), (454, 43540), (622, 31780), (908, 21770), (1135, 17416), (1244, 15890), (1555, 12712), (1589, 12440), (1816, 10885), (2177, 9080), (2270, 8708), (2488, 7945), (3110, 6356), (3178, 6220), (4354, 4540)]