18817992

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8474

約数の個数: 48

約数和(自身を含む): 52615680

約数和(自身を除く): 33797688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8431, 16862, 25293, 33724, 50586, 67448, 75879, 101172, 151758, 202344, 261361, 303516, 522722, 607032, 784083, 1045444, 1568166, 2090888, 2352249, 3136332, 4704498, 6272664, 9408996, 18817992]

約数ペア:

[(1, 18817992), (2, 9408996), (3, 6272664), (4, 4704498), (6, 3136332), (8, 2352249), (9, 2090888), (12, 1568166), (18, 1045444), (24, 784083), (31, 607032), (36, 522722), (62, 303516), (72, 261361), (93, 202344), (124, 151758), (186, 101172), (248, 75879), (279, 67448), (372, 50586), (558, 33724), (744, 25293), (1116, 16862), (2232, 8431)]