18417906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2591

約数の個数: 48

約数和(自身を含む): 44378880

約数和(自身を除く): 25960974

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2539, 3627, 5078, 7254, 7617, 15234, 22851, 33007, 45702, 66014, 78709, 99021, 157418, 198042, 236127, 297063, 472254, 594126, 708381, 1023217, 1416762, 2046434, 3069651, 6139302, 9208953, 18417906]

約数ペア:

[(1, 18417906), (2, 9208953), (3, 6139302), (6, 3069651), (9, 2046434), (13, 1416762), (18, 1023217), (26, 708381), (31, 594126), (39, 472254), (62, 297063), (78, 236127), (93, 198042), (117, 157418), (186, 99021), (234, 78709), (279, 66014), (403, 45702), (558, 33007), (806, 22851), (1209, 15234), (2418, 7617), (2539, 7254), (3627, 5078)]