18512286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 25613922

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 607, 663, 782, 897, 1173, 1214, 1326, 1794, 1821, 2346, 3642, 5083, 7891, 10166, 10319, 13961, 15249, 15782, 20638, 23673, 27922, 30498, 30957, 41883, 47346, 61914, 83766, 134147, 181493, 237337, 268294, 362986, 402441, 474674, 544479, 712011, 804882, 1088958, 1424022, 3085381, 6170762, 9256143, 18512286]

約数ペア:

[(1, 18512286), (2, 9256143), (3, 6170762), (6, 3085381), (13, 1424022), (17, 1088958), (23, 804882), (26, 712011), (34, 544479), (39, 474674), (46, 402441), (51, 362986), (69, 268294), (78, 237337), (102, 181493), (138, 134147), (221, 83766), (299, 61914), (391, 47346), (442, 41883), (598, 30957), (607, 30498), (663, 27922), (782, 23673), (897, 20638), (1173, 15782), (1214, 15249), (1326, 13961), (1794, 10319), (1821, 10166), (2346, 7891), (3642, 5083)]