19094840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9007}}^1$

素因数の和:9071

約数の個数: 32

約数和(自身を含む): 43778880

約数和(自身を除く): 24684040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9007, 18014, 36028, 45035, 72056, 90070, 180140, 360280, 477371, 954742, 1909484, 2386855, 3818968, 4773710, 9547420, 19094840]

約数ペア:

[(1, 19094840), (2, 9547420), (4, 4773710), (5, 3818968), (8, 2386855), (10, 1909484), (20, 954742), (40, 477371), (53, 360280), (106, 180140), (212, 90070), (265, 72056), (424, 45035), (530, 36028), (1060, 18014), (2120, 9007)]