18842912

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 21981088

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 269, 352, 398, 538, 796, 1076, 1592, 2152, 2189, 2959, 3184, 4304, 4378, 5918, 6368, 8608, 8756, 11836, 17512, 23672, 35024, 47344, 53531, 70048, 94688, 107062, 214124, 428248, 588841, 856496, 1177682, 1712992, 2355364, 4710728, 9421456, 18842912]

約数ペア:

[(1, 18842912), (2, 9421456), (4, 4710728), (8, 2355364), (11, 1712992), (16, 1177682), (22, 856496), (32, 588841), (44, 428248), (88, 214124), (176, 107062), (199, 94688), (269, 70048), (352, 53531), (398, 47344), (538, 35024), (796, 23672), (1076, 17512), (1592, 11836), (2152, 8756), (2189, 8608), (2959, 6368), (3184, 5918), (4304, 4378)]