18782838

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 43085952

約数和(自身を除く): 24303114

約数列:

[1, 2, 3, 6, 9, 18, 31, 41, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 821, 1271, 1642, 2463, 2542, 3813, 4926, 7389, 7626, 11439, 14778, 22878, 25451, 33661, 50902, 67322, 76353, 100983, 152706, 201966, 229059, 302949, 458118, 605898, 1043491, 2086982, 3130473, 6260946, 9391419, 18782838]

約数ペア:

[(1, 18782838), (2, 9391419), (3, 6260946), (6, 3130473), (9, 2086982), (18, 1043491), (31, 605898), (41, 458118), (62, 302949), (82, 229059), (93, 201966), (123, 152706), (186, 100983), (246, 76353), (279, 67322), (369, 50902), (558, 33661), (738, 25451), (821, 22878), (1271, 14778), (1642, 11439), (2463, 7626), (2542, 7389), (3813, 4926)]