18471838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18852962

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 59, 77, 107, 118, 133, 154, 209, 214, 266, 413, 418, 649, 749, 826, 1121, 1177, 1298, 1463, 1498, 2033, 2242, 2354, 2926, 4066, 4543, 6313, 7847, 8239, 9086, 12331, 12626, 14231, 15694, 16478, 22363, 24662, 28462, 44191, 44726, 69443, 86317, 88382, 119947, 138886, 156541, 172634, 239894, 313082, 486101, 839629, 972202, 1319417, 1679258, 2638834, 9235919, 18471838]

約数ペア:

[(1, 18471838), (2, 9235919), (7, 2638834), (11, 1679258), (14, 1319417), (19, 972202), (22, 839629), (38, 486101), (59, 313082), (77, 239894), (107, 172634), (118, 156541), (133, 138886), (154, 119947), (209, 88382), (214, 86317), (266, 69443), (413, 44726), (418, 44191), (649, 28462), (749, 24662), (826, 22363), (1121, 16478), (1177, 15694), (1298, 14231), (1463, 12626), (1498, 12331), (2033, 9086), (2242, 8239), (2354, 7847), (2926, 6313), (4066, 4543)]