19910952

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2111}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 54362880

約数和(自身を除く): 34451928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2111, 2358, 3144, 4222, 4716, 6333, 8444, 9432, 12666, 16888, 18999, 25332, 37998, 50664, 75996, 151992, 276541, 553082, 829623, 1106164, 1659246, 2212328, 2488869, 3318492, 4977738, 6636984, 9955476, 19910952]

約数ペア:

[(1, 19910952), (2, 9955476), (3, 6636984), (4, 4977738), (6, 3318492), (8, 2488869), (9, 2212328), (12, 1659246), (18, 1106164), (24, 829623), (36, 553082), (72, 276541), (131, 151992), (262, 75996), (393, 50664), (524, 37998), (786, 25332), (1048, 18999), (1179, 16888), (1572, 12666), (2111, 9432), (2358, 8444), (3144, 6333), (4222, 4716)]