19755117

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 31203200

約数和(自身を除く): 11448083

約数列:

[1, 3, 9, 19, 27, 57, 97, 171, 291, 397, 513, 873, 1191, 1843, 2619, 3573, 5529, 7543, 10719, 16587, 22629, 38509, 49761, 67887, 115527, 203661, 346581, 731671, 1039743, 2195013, 6585039, 19755117]

約数ペア:

[(1, 19755117), (3, 6585039), (9, 2195013), (19, 1039743), (27, 731671), (57, 346581), (97, 203661), (171, 115527), (291, 67887), (397, 49761), (513, 38509), (873, 22629), (1191, 16587), (1843, 10719), (2619, 7543), (3573, 5529)]