19431774

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 24178338

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 103, 141, 206, 223, 282, 309, 423, 446, 618, 669, 846, 927, 1338, 1854, 2007, 4014, 4841, 9682, 10481, 14523, 20962, 22969, 29046, 31443, 43569, 45938, 62886, 68907, 87138, 94329, 137814, 188658, 206721, 413442, 1079543, 2159086, 3238629, 6477258, 9715887, 19431774]

約数ペア:

[(1, 19431774), (2, 9715887), (3, 6477258), (6, 3238629), (9, 2159086), (18, 1079543), (47, 413442), (94, 206721), (103, 188658), (141, 137814), (206, 94329), (223, 87138), (282, 68907), (309, 62886), (423, 45938), (446, 43569), (618, 31443), (669, 29046), (846, 22969), (927, 20962), (1338, 14523), (1854, 10481), (2007, 9682), (4014, 4841)]