19403640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53899}}^1$

素因数の和:53916

約数の個数: 48

約数和(自身を含む): 63063000

約数和(自身を除く): 43659360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 53899, 107798, 161697, 215596, 269495, 323394, 431192, 485091, 538990, 646788, 808485, 970182, 1077980, 1293576, 1616970, 1940364, 2155960, 2425455, 3233940, 3880728, 4850910, 6467880, 9701820, 19403640]

約数ペア:

[(1, 19403640), (2, 9701820), (3, 6467880), (4, 4850910), (5, 3880728), (6, 3233940), (8, 2425455), (9, 2155960), (10, 1940364), (12, 1616970), (15, 1293576), (18, 1077980), (20, 970182), (24, 808485), (30, 646788), (36, 538990), (40, 485091), (45, 431192), (60, 323394), (72, 269495), (90, 215596), (120, 161697), (180, 107798), (360, 53899)]