18131274

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 46585188

約数和(自身を除く): 28453914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 61, 63, 98, 122, 126, 147, 183, 294, 337, 366, 427, 441, 549, 674, 854, 882, 1011, 1098, 1281, 2022, 2359, 2562, 2989, 3033, 3843, 4718, 5978, 6066, 7077, 7686, 8967, 14154, 16513, 17934, 20557, 21231, 26901, 33026, 41114, 42462, 49539, 53802, 61671, 99078, 123342, 143899, 148617, 185013, 287798, 297234, 370026, 431697, 863394, 1007293, 1295091, 2014586, 2590182, 3021879, 6043758, 9065637, 18131274]

約数ペア:

[(1, 18131274), (2, 9065637), (3, 6043758), (6, 3021879), (7, 2590182), (9, 2014586), (14, 1295091), (18, 1007293), (21, 863394), (42, 431697), (49, 370026), (61, 297234), (63, 287798), (98, 185013), (122, 148617), (126, 143899), (147, 123342), (183, 99078), (294, 61671), (337, 53802), (366, 49539), (427, 42462), (441, 41114), (549, 33026), (674, 26901), (854, 21231), (882, 20557), (1011, 17934), (1098, 16513), (1281, 14154), (2022, 8967), (2359, 7686), (2562, 7077), (2989, 6066), (3033, 5978), (3843, 4718)]