18817272

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 53578800

約数和(自身を除く): 34761528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 409, 426, 568, 639, 648, 818, 852, 1227, 1278, 1636, 1704, 1917, 2454, 2556, 3272, 3681, 3834, 4908, 5112, 5751, 7362, 7668, 9816, 11043, 11502, 14724, 15336, 22086, 23004, 29039, 29448, 33129, 44172, 46008, 58078, 66258, 87117, 88344, 116156, 132516, 174234, 232312, 261351, 265032, 348468, 522702, 696936, 784053, 1045404, 1568106, 2090808, 2352159, 3136212, 4704318, 6272424, 9408636, 18817272]

約数ペア:

[(1, 18817272), (2, 9408636), (3, 6272424), (4, 4704318), (6, 3136212), (8, 2352159), (9, 2090808), (12, 1568106), (18, 1045404), (24, 784053), (27, 696936), (36, 522702), (54, 348468), (71, 265032), (72, 261351), (81, 232312), (108, 174234), (142, 132516), (162, 116156), (213, 88344), (216, 87117), (284, 66258), (324, 58078), (409, 46008), (426, 44172), (568, 33129), (639, 29448), (648, 29039), (818, 23004), (852, 22086), (1227, 15336), (1278, 14724), (1636, 11502), (1704, 11043), (1917, 9816), (2454, 7668), (2556, 7362), (3272, 5751), (3681, 5112), (3834, 4908)]