19194340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 25822940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2029, 2365, 4058, 4730, 8116, 9460, 10145, 20290, 22319, 40580, 44638, 87247, 89276, 111595, 174494, 223190, 348988, 436235, 446380, 872470, 959717, 1744940, 1919434, 3838868, 4798585, 9597170, 19194340]

約数ペア:

[(1, 19194340), (2, 9597170), (4, 4798585), (5, 3838868), (10, 1919434), (11, 1744940), (20, 959717), (22, 872470), (43, 446380), (44, 436235), (55, 348988), (86, 223190), (110, 174494), (172, 111595), (215, 89276), (220, 87247), (430, 44638), (473, 40580), (860, 22319), (946, 20290), (1892, 10145), (2029, 9460), (2365, 8116), (4058, 4730)]