19850868

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{3967}}^1$

素因数の和:4116

約数の個数: 36

約数和(自身を含む): 50552320

約数和(自身を除く): 30701452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3967, 5004, 7934, 11901, 15868, 23802, 35703, 47604, 71406, 142812, 551413, 1102826, 1654239, 2205652, 3308478, 4962717, 6616956, 9925434, 19850868]

約数ペア:

[(1, 19850868), (2, 9925434), (3, 6616956), (4, 4962717), (6, 3308478), (9, 2205652), (12, 1654239), (18, 1102826), (36, 551413), (139, 142812), (278, 71406), (417, 47604), (556, 35703), (834, 23802), (1251, 15868), (1668, 11901), (2502, 7934), (3967, 5004)]