18083912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 43683840

約数和(自身を除く): 25599928

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 947, 1364, 1736, 1894, 2387, 2728, 3788, 4774, 6629, 7576, 9548, 10417, 13258, 19096, 20834, 26516, 29357, 41668, 53032, 58714, 72919, 83336, 117428, 145838, 205499, 234856, 291676, 322927, 410998, 583352, 645854, 821996, 1291708, 1643992, 2260489, 2583416, 4520978, 9041956, 18083912]

約数ペア:

[(1, 18083912), (2, 9041956), (4, 4520978), (7, 2583416), (8, 2260489), (11, 1643992), (14, 1291708), (22, 821996), (28, 645854), (31, 583352), (44, 410998), (56, 322927), (62, 291676), (77, 234856), (88, 205499), (124, 145838), (154, 117428), (217, 83336), (248, 72919), (308, 58714), (341, 53032), (434, 41668), (616, 29357), (682, 26516), (868, 20834), (947, 19096), (1364, 13258), (1736, 10417), (1894, 9548), (2387, 7576), (2728, 6629), (3788, 4774)]