18639504

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3349

約数の個数: 80

約数和(自身を含む): 57635200

約数和(自身を除く): 38995696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3319, 5616, 6638, 9957, 13276, 19914, 26552, 29871, 39828, 43147, 53104, 59742, 79656, 86294, 89613, 119484, 129441, 159312, 172588, 179226, 238968, 258882, 345176, 358452, 388323, 477936, 517764, 690352, 716904, 776646, 1035528, 1164969, 1433808, 1553292, 2071056, 2329938, 3106584, 4659876, 6213168, 9319752, 18639504]

約数ペア:

[(1, 18639504), (2, 9319752), (3, 6213168), (4, 4659876), (6, 3106584), (8, 2329938), (9, 2071056), (12, 1553292), (13, 1433808), (16, 1164969), (18, 1035528), (24, 776646), (26, 716904), (27, 690352), (36, 517764), (39, 477936), (48, 388323), (52, 358452), (54, 345176), (72, 258882), (78, 238968), (104, 179226), (108, 172588), (117, 159312), (144, 129441), (156, 119484), (208, 89613), (216, 86294), (234, 79656), (312, 59742), (351, 53104), (432, 43147), (468, 39828), (624, 29871), (702, 26552), (936, 19914), (1404, 13276), (1872, 9957), (2808, 6638), (3319, 5616)]