18905616

素因数分解:

$2^4\times 3^3\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 80

約数和(自身を含む): 54907200

約数和(自身を除く): 36001584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 107, 108, 144, 214, 216, 321, 409, 428, 432, 642, 818, 856, 963, 1227, 1284, 1636, 1712, 1926, 2454, 2568, 2889, 3272, 3681, 3852, 4908, 5136, 5778, 6544, 7362, 7704, 9816, 11043, 11556, 14724, 15408, 19632, 22086, 23112, 29448, 43763, 44172, 46224, 58896, 87526, 88344, 131289, 175052, 176688, 262578, 350104, 393867, 525156, 700208, 787734, 1050312, 1181601, 1575468, 2100624, 2363202, 3150936, 4726404, 6301872, 9452808, 18905616]

約数ペア:

[(1, 18905616), (2, 9452808), (3, 6301872), (4, 4726404), (6, 3150936), (8, 2363202), (9, 2100624), (12, 1575468), (16, 1181601), (18, 1050312), (24, 787734), (27, 700208), (36, 525156), (48, 393867), (54, 350104), (72, 262578), (107, 176688), (108, 175052), (144, 131289), (214, 88344), (216, 87526), (321, 58896), (409, 46224), (428, 44172), (432, 43763), (642, 29448), (818, 23112), (856, 22086), (963, 19632), (1227, 15408), (1284, 14724), (1636, 11556), (1712, 11043), (1926, 9816), (2454, 7704), (2568, 7362), (2889, 6544), (3272, 5778), (3681, 5136), (3852, 4908)]