19842417

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 15381135

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 97, 119, 153, 191, 291, 357, 573, 679, 873, 1071, 1337, 1649, 1719, 2037, 3247, 4011, 4947, 6111, 9741, 11543, 12033, 14841, 18527, 22729, 29223, 34629, 55581, 68187, 103887, 129689, 166743, 204561, 314959, 389067, 944877, 1167201, 2204713, 2834631, 6614139, 19842417]

約数ペア:

[(1, 19842417), (3, 6614139), (7, 2834631), (9, 2204713), (17, 1167201), (21, 944877), (51, 389067), (63, 314959), (97, 204561), (119, 166743), (153, 129689), (191, 103887), (291, 68187), (357, 55581), (573, 34629), (679, 29223), (873, 22729), (1071, 18527), (1337, 14841), (1649, 12033), (1719, 11543), (2037, 9741), (3247, 6111), (4011, 4947)]