17921410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4498

約数の個数: 32

約数和(自身を含む): 35868672

約数和(自身を除く): 17947262

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4447, 8894, 22235, 44470, 57811, 115622, 137857, 275714, 289055, 578110, 689285, 1378570, 1792141, 3584282, 8960705, 17921410]

約数ペア:

[(1, 17921410), (2, 8960705), (5, 3584282), (10, 1792141), (13, 1378570), (26, 689285), (31, 578110), (62, 289055), (65, 275714), (130, 137857), (155, 115622), (310, 57811), (403, 44470), (806, 22235), (2015, 8894), (4030, 4447)]