19935666

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{11909}}^1$

素因数の和:11951

約数の個数: 32

約数和(自身を含む): 45734400

約数和(自身を除く): 25798734

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 11909, 23818, 35727, 71454, 107181, 214362, 321543, 369179, 643086, 738358, 1107537, 2215074, 3322611, 6645222, 9967833, 19935666]

約数ペア:

[(1, 19935666), (2, 9967833), (3, 6645222), (6, 3322611), (9, 2215074), (18, 1107537), (27, 738358), (31, 643086), (54, 369179), (62, 321543), (93, 214362), (186, 107181), (279, 71454), (558, 35727), (837, 23818), (1674, 11909)]