18506814

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 40919040

約数和(自身を除く): 22412226

約数列:

[1, 2, 3, 6, 29, 31, 47, 58, 62, 73, 87, 93, 94, 141, 146, 174, 186, 219, 282, 438, 899, 1363, 1457, 1798, 2117, 2263, 2697, 2726, 2914, 3431, 4089, 4234, 4371, 4526, 5394, 6351, 6789, 6862, 8178, 8742, 10293, 12702, 13578, 20586, 42253, 65627, 84506, 99499, 106361, 126759, 131254, 196881, 198998, 212722, 253518, 298497, 319083, 393762, 596994, 638166, 3084469, 6168938, 9253407, 18506814]

約数ペア:

[(1, 18506814), (2, 9253407), (3, 6168938), (6, 3084469), (29, 638166), (31, 596994), (47, 393762), (58, 319083), (62, 298497), (73, 253518), (87, 212722), (93, 198998), (94, 196881), (141, 131254), (146, 126759), (174, 106361), (186, 99499), (219, 84506), (282, 65627), (438, 42253), (899, 20586), (1363, 13578), (1457, 12702), (1798, 10293), (2117, 8742), (2263, 8178), (2697, 6862), (2726, 6789), (2914, 6351), (3431, 5394), (4089, 4526), (4234, 4371)]