19554255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2699}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 40435200

約数和(自身を除く): 20880945

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2699, 7245, 8097, 13495, 18893, 24291, 40485, 56679, 62077, 94465, 121455, 170037, 186231, 283395, 310385, 434539, 558693, 850185, 931155, 1303617, 2172695, 2793465, 3910851, 6518085, 19554255]

約数ペア:

[(1, 19554255), (3, 6518085), (5, 3910851), (7, 2793465), (9, 2172695), (15, 1303617), (21, 931155), (23, 850185), (35, 558693), (45, 434539), (63, 310385), (69, 283395), (105, 186231), (115, 170037), (161, 121455), (207, 94465), (315, 62077), (345, 56679), (483, 40485), (805, 24291), (1035, 18893), (1449, 13495), (2415, 8097), (2699, 7245)]