18668868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 28445052

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2213, 2812, 4218, 4426, 6639, 8436, 8852, 13278, 26556, 42047, 81881, 84094, 126141, 163762, 168188, 245643, 252282, 327524, 491286, 504564, 982572, 1555739, 3111478, 4667217, 6222956, 9334434, 18668868]

約数ペア:

[(1, 18668868), (2, 9334434), (3, 6222956), (4, 4667217), (6, 3111478), (12, 1555739), (19, 982572), (37, 504564), (38, 491286), (57, 327524), (74, 252282), (76, 245643), (111, 168188), (114, 163762), (148, 126141), (222, 84094), (228, 81881), (444, 42047), (703, 26556), (1406, 13278), (2109, 8852), (2213, 8436), (2812, 6639), (4218, 4426)]