18019872

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4842

約数の個数: 72

約数和(自身を含む): 55197324

約数和(自身を除く): 37177452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 4813, 9626, 14439, 19252, 28878, 38504, 43317, 57756, 62569, 77008, 86634, 115512, 125138, 154016, 173268, 187707, 231024, 250276, 346536, 375414, 462048, 500552, 563121, 693072, 750828, 1001104, 1126242, 1386144, 1501656, 2002208, 2252484, 3003312, 4504968, 6006624, 9009936, 18019872]

約数ペア:

[(1, 18019872), (2, 9009936), (3, 6006624), (4, 4504968), (6, 3003312), (8, 2252484), (9, 2002208), (12, 1501656), (13, 1386144), (16, 1126242), (18, 1001104), (24, 750828), (26, 693072), (32, 563121), (36, 500552), (39, 462048), (48, 375414), (52, 346536), (72, 250276), (78, 231024), (96, 187707), (104, 173268), (117, 154016), (144, 125138), (156, 115512), (208, 86634), (234, 77008), (288, 62569), (312, 57756), (416, 43317), (468, 38504), (624, 28878), (936, 19252), (1248, 14439), (1872, 9626), (3744, 4813)]