18131553790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1163}}^1\times {\mathrm{31817}}^1$

素因数の和:33001

約数の個数: 48

約数和(自身を含む): 37999091952

約数和(自身を除く): 19867538162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1163, 2326, 5815, 8141, 11630, 16282, 31817, 40705, 56987, 63634, 81410, 113974, 159085, 222719, 284935, 318170, 445438, 569870, 1113595, 1559033, 2227190, 3118066, 7795165, 15590330, 37003171, 74006342, 185015855, 259022197, 370031710, 518044394, 1295110985, 1813155379, 2590221970, 3626310758, 9065776895, 18131553790]

約数ペア:

[(1, 18131553790), (2, 9065776895), (5, 3626310758), (7, 2590221970), (10, 1813155379), (14, 1295110985), (35, 518044394), (49, 370031710), (70, 259022197), (98, 185015855), (245, 74006342), (490, 37003171), (1163, 15590330), (2326, 7795165), (5815, 3118066), (8141, 2227190), (11630, 1559033), (16282, 1113595), (31817, 569870), (40705, 445438), (56987, 318170), (63634, 284935), (81410, 222719), (113974, 159085)]