18276808

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 20027192

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 121, 158, 239, 242, 316, 478, 484, 632, 869, 956, 968, 1738, 1912, 2629, 3476, 5258, 6952, 9559, 10516, 18881, 19118, 21032, 28919, 37762, 38236, 57838, 75524, 76472, 115676, 151048, 207691, 231352, 415382, 830764, 1661528, 2284601, 4569202, 9138404, 18276808]

約数ペア:

[(1, 18276808), (2, 9138404), (4, 4569202), (8, 2284601), (11, 1661528), (22, 830764), (44, 415382), (79, 231352), (88, 207691), (121, 151048), (158, 115676), (239, 76472), (242, 75524), (316, 57838), (478, 38236), (484, 37762), (632, 28919), (869, 21032), (956, 19118), (968, 18881), (1738, 10516), (1912, 9559), (2629, 6952), (3476, 5258)]