18512016

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9023

約数の個数: 40

約数和(自身を含む): 48940320

約数和(自身を除く): 30428304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 8969, 17938, 26907, 35876, 53814, 71752, 107628, 143504, 215256, 385667, 430512, 771334, 1157001, 1542668, 2314002, 3085336, 4628004, 6170672, 9256008, 18512016]

約数ペア:

[(1, 18512016), (2, 9256008), (3, 6170672), (4, 4628004), (6, 3085336), (8, 2314002), (12, 1542668), (16, 1157001), (24, 771334), (43, 430512), (48, 385667), (86, 215256), (129, 143504), (172, 107628), (258, 71752), (344, 53814), (516, 35876), (688, 26907), (1032, 17938), (2064, 8969)]