19649988

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{13313}}^1$

素因数の和:13364

約数の個数: 36

約数和(自身を含む): 50886108

約数和(自身を除く): 31236120

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 13313, 26626, 39939, 53252, 79878, 119817, 159756, 239634, 479268, 545833, 1091666, 1637499, 2183332, 3274998, 4912497, 6549996, 9824994, 19649988]

約数ペア:

[(1, 19649988), (2, 9824994), (3, 6549996), (4, 4912497), (6, 3274998), (9, 2183332), (12, 1637499), (18, 1091666), (36, 545833), (41, 479268), (82, 239634), (123, 159756), (164, 119817), (246, 79878), (369, 53252), (492, 39939), (738, 26626), (1476, 13313)]