18399736

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 35315280

約数和(自身を除く): 16915544

約数列:

[1, 2, 4, 8, 97, 131, 181, 194, 262, 362, 388, 524, 724, 776, 1048, 1448, 12707, 17557, 23711, 25414, 35114, 47422, 50828, 70228, 94844, 101656, 140456, 189688, 2299967, 4599934, 9199868, 18399736]

約数ペア:

[(1, 18399736), (2, 9199868), (4, 4599934), (8, 2299967), (97, 189688), (131, 140456), (181, 101656), (194, 94844), (262, 70228), (362, 50828), (388, 47422), (524, 35114), (724, 25414), (776, 23711), (1048, 17557), (1448, 12707)]