19065465

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 34744320

約数和(自身を除く): 15678855

約数列:

[1, 3, 5, 9, 15, 31, 45, 79, 93, 155, 173, 237, 279, 395, 465, 519, 711, 865, 1185, 1395, 1557, 2449, 2595, 3555, 5363, 7347, 7785, 12245, 13667, 16089, 22041, 26815, 36735, 41001, 48267, 68335, 80445, 110205, 123003, 205005, 241335, 423677, 615015, 1271031, 2118385, 3813093, 6355155, 19065465]

約数ペア:

[(1, 19065465), (3, 6355155), (5, 3813093), (9, 2118385), (15, 1271031), (31, 615015), (45, 423677), (79, 241335), (93, 205005), (155, 123003), (173, 110205), (237, 80445), (279, 68335), (395, 48267), (465, 41001), (519, 36735), (711, 26815), (865, 22041), (1185, 16089), (1395, 13667), (1557, 12245), (2449, 7785), (2595, 7347), (3555, 5363)]