18983008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 22143392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 271, 352, 398, 542, 796, 1084, 1592, 2168, 2189, 2981, 3184, 4336, 4378, 5962, 6368, 8672, 8756, 11924, 17512, 23848, 35024, 47696, 53929, 70048, 95392, 107858, 215716, 431432, 593219, 862864, 1186438, 1725728, 2372876, 4745752, 9491504, 18983008]

約数ペア:

[(1, 18983008), (2, 9491504), (4, 4745752), (8, 2372876), (11, 1725728), (16, 1186438), (22, 862864), (32, 593219), (44, 431432), (88, 215716), (176, 107858), (199, 95392), (271, 70048), (352, 53929), (398, 47696), (542, 35024), (796, 23848), (1084, 17512), (1592, 11924), (2168, 8756), (2189, 8672), (2981, 6368), (3184, 5962), (4336, 4378)]