19538145

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19169055

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 59, 99, 135, 165, 177, 223, 295, 297, 495, 531, 649, 669, 885, 1115, 1485, 1593, 1947, 2007, 2453, 2655, 3245, 3345, 5841, 6021, 7359, 7965, 9735, 10035, 12265, 13157, 17523, 22077, 29205, 30105, 36795, 39471, 65785, 66231, 87615, 110385, 118413, 144727, 197355, 331155, 355239, 434181, 592065, 723635, 1302543, 1776195, 2170905, 3907629, 6512715, 19538145]

約数ペア:

[(1, 19538145), (3, 6512715), (5, 3907629), (9, 2170905), (11, 1776195), (15, 1302543), (27, 723635), (33, 592065), (45, 434181), (55, 355239), (59, 331155), (99, 197355), (135, 144727), (165, 118413), (177, 110385), (223, 87615), (295, 66231), (297, 65785), (495, 39471), (531, 36795), (649, 30105), (669, 29205), (885, 22077), (1115, 17523), (1485, 13157), (1593, 12265), (1947, 10035), (2007, 9735), (2453, 7965), (2655, 7359), (3245, 6021), (3345, 5841)]