18435890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8821}}^1$

素因数の和:8858

約数の個数: 32

約数和(自身を含む): 38111040

約数和(自身を除く): 19675150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 8821, 17642, 44105, 88210, 97031, 167599, 194062, 335198, 485155, 837995, 970310, 1675990, 1843589, 3687178, 9217945, 18435890]

約数ペア:

[(1, 18435890), (2, 9217945), (5, 3687178), (10, 1843589), (11, 1675990), (19, 970310), (22, 837995), (38, 485155), (55, 335198), (95, 194062), (110, 167599), (190, 97031), (209, 88210), (418, 44105), (1045, 17642), (2090, 8821)]