19915012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9341}}^1$

素因数の和:9399

約数の個数: 24

約数和(自身を含む): 38451672

約数和(自身を除く): 18536660

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9341, 18682, 37364, 121433, 242866, 382981, 485732, 765962, 1531924, 4978753, 9957506, 19915012]

約数ペア:

[(1, 19915012), (2, 9957506), (4, 4978753), (13, 1531924), (26, 765962), (41, 485732), (52, 382981), (82, 242866), (164, 121433), (533, 37364), (1066, 18682), (2132, 9341)]