18898340

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8831}}^1$

素因数の和:8947

約数の個数: 24

約数和(自身を含む): 40061952

約数和(自身を除く): 21163612

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8831, 17662, 35324, 44155, 88310, 176620, 944917, 1889834, 3779668, 4724585, 9449170, 18898340]

約数ペア:

[(1, 18898340), (2, 9449170), (4, 4724585), (5, 3779668), (10, 1889834), (20, 944917), (107, 176620), (214, 88310), (428, 44155), (535, 35324), (1070, 17662), (2140, 8831)]