18686862

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:167

約数の個数: 60

約数和(自身を含む): 43943328

約数和(自身を除く): 25256466

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 61, 62, 81, 93, 122, 162, 183, 186, 279, 366, 549, 558, 837, 1098, 1647, 1674, 1891, 2511, 3294, 3721, 3782, 4941, 5022, 5673, 7442, 9882, 11163, 11346, 17019, 22326, 33489, 34038, 51057, 66978, 100467, 102114, 115351, 153171, 200934, 230702, 301401, 306342, 346053, 602802, 692106, 1038159, 2076318, 3114477, 6228954, 9343431, 18686862]

約数ペア:

[(1, 18686862), (2, 9343431), (3, 6228954), (6, 3114477), (9, 2076318), (18, 1038159), (27, 692106), (31, 602802), (54, 346053), (61, 306342), (62, 301401), (81, 230702), (93, 200934), (122, 153171), (162, 115351), (183, 102114), (186, 100467), (279, 66978), (366, 51057), (549, 34038), (558, 33489), (837, 22326), (1098, 17019), (1647, 11346), (1674, 11163), (1891, 9882), (2511, 7442), (3294, 5673), (3721, 5022), (3782, 4941)]