19699245

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4513}}^1$

素因数の和:4621

約数の個数: 24

約数和(自身を含む): 34505016

約数和(自身を除く): 14805771

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 873, 1455, 4365, 4513, 13539, 22565, 40617, 67695, 203085, 437761, 1313283, 2188805, 3939849, 6566415, 19699245]

約数ペア:

[(1, 19699245), (3, 6566415), (5, 3939849), (9, 2188805), (15, 1313283), (45, 437761), (97, 203085), (291, 67695), (485, 40617), (873, 22565), (1455, 13539), (4365, 4513)]