19523940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2341}}^1$

素因数の和:2492

約数の個数: 48

約数和(自身を含む): 55083840

約数和(自身を除く): 35559900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2341, 2780, 4170, 4682, 7023, 8340, 9364, 11705, 14046, 23410, 28092, 35115, 46820, 70230, 140460, 325399, 650798, 976197, 1301596, 1626995, 1952394, 3253990, 3904788, 4880985, 6507980, 9761970, 19523940]

約数ペア:

[(1, 19523940), (2, 9761970), (3, 6507980), (4, 4880985), (5, 3904788), (6, 3253990), (10, 1952394), (12, 1626995), (15, 1301596), (20, 976197), (30, 650798), (60, 325399), (139, 140460), (278, 70230), (417, 46820), (556, 35115), (695, 28092), (834, 23410), (1390, 14046), (1668, 11705), (2085, 9364), (2341, 8340), (2780, 7023), (4170, 4682)]