19528140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10499}}^1$

素因数の和:10542

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 36919860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10499, 20998, 31497, 41996, 52495, 62994, 104990, 125988, 157485, 209980, 314970, 325469, 629940, 650938, 976407, 1301876, 1627345, 1952814, 3254690, 3905628, 4882035, 6509380, 9764070, 19528140]

約数ペア:

[(1, 19528140), (2, 9764070), (3, 6509380), (4, 4882035), (5, 3905628), (6, 3254690), (10, 1952814), (12, 1627345), (15, 1301876), (20, 976407), (30, 650938), (31, 629940), (60, 325469), (62, 314970), (93, 209980), (124, 157485), (155, 125988), (186, 104990), (310, 62994), (372, 52495), (465, 41996), (620, 31497), (930, 20998), (1860, 10499)]