19123425

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 36039360

約数和(自身を除く): 16915935

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 691, 1025, 1107, 1845, 2073, 3075, 3455, 5535, 6219, 9225, 10365, 17275, 18657, 27675, 28331, 31095, 51825, 84993, 93285, 141655, 155475, 254979, 424965, 466425, 708275, 764937, 1274895, 2124825, 3824685, 6374475, 19123425]

約数ペア:

[(1, 19123425), (3, 6374475), (5, 3824685), (9, 2124825), (15, 1274895), (25, 764937), (27, 708275), (41, 466425), (45, 424965), (75, 254979), (123, 155475), (135, 141655), (205, 93285), (225, 84993), (369, 51825), (615, 31095), (675, 28331), (691, 27675), (1025, 18657), (1107, 17275), (1845, 10365), (2073, 9225), (3075, 6219), (3455, 5535)]