19317990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8821}}^1$

素因数の和:8904

約数の個数: 32

約数和(自身を含む): 47003616

約数和(自身を除く): 27685626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 8821, 17642, 26463, 44105, 52926, 88210, 132315, 264630, 643933, 1287866, 1931799, 3219665, 3863598, 6439330, 9658995, 19317990]

約数ペア:

[(1, 19317990), (2, 9658995), (3, 6439330), (5, 3863598), (6, 3219665), (10, 1931799), (15, 1287866), (30, 643933), (73, 264630), (146, 132315), (219, 88210), (365, 52926), (438, 44105), (730, 26463), (1095, 17642), (2190, 8821)]