18989344

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 41398560

約数和(自身を除く): 22409216

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 73, 88, 146, 176, 292, 352, 584, 739, 803, 1168, 1478, 1606, 2336, 2956, 3212, 5912, 6424, 8129, 11824, 12848, 16258, 23648, 25696, 32516, 53947, 65032, 107894, 130064, 215788, 260128, 431576, 593417, 863152, 1186834, 1726304, 2373668, 4747336, 9494672, 18989344]

約数ペア:

[(1, 18989344), (2, 9494672), (4, 4747336), (8, 2373668), (11, 1726304), (16, 1186834), (22, 863152), (32, 593417), (44, 431576), (73, 260128), (88, 215788), (146, 130064), (176, 107894), (292, 65032), (352, 53947), (584, 32516), (739, 25696), (803, 23648), (1168, 16258), (1478, 12848), (1606, 11824), (2336, 8129), (2956, 6424), (3212, 5912)]