19957716

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6229}}^1$

素因数の和:6328

約数の個数: 36

約数和(自身を含む): 51023700

約数和(自身を除く): 31065984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6229, 12458, 18687, 24916, 37374, 56061, 74748, 112122, 224244, 554381, 1108762, 1663143, 2217524, 3326286, 4989429, 6652572, 9978858, 19957716]

約数ペア:

[(1, 19957716), (2, 9978858), (3, 6652572), (4, 4989429), (6, 3326286), (9, 2217524), (12, 1663143), (18, 1108762), (36, 554381), (89, 224244), (178, 112122), (267, 74748), (356, 56061), (534, 37374), (801, 24916), (1068, 18687), (1602, 12458), (3204, 6229)]