19440954

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 45680544

約数和(自身を除く): 26239590

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 251, 331, 502, 662, 753, 993, 1506, 1986, 2259, 2979, 3263, 4303, 4518, 5958, 6526, 8606, 9789, 12909, 19578, 25818, 29367, 38727, 58734, 77454, 83081, 166162, 249243, 498486, 747729, 1080053, 1495458, 2160106, 3240159, 6480318, 9720477, 19440954]

約数ペア:

[(1, 19440954), (2, 9720477), (3, 6480318), (6, 3240159), (9, 2160106), (13, 1495458), (18, 1080053), (26, 747729), (39, 498486), (78, 249243), (117, 166162), (234, 83081), (251, 77454), (331, 58734), (502, 38727), (662, 29367), (753, 25818), (993, 19578), (1506, 12909), (1986, 9789), (2259, 8606), (2979, 6526), (3263, 5958), (4303, 4518)]