19129365

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 34630200

約数和(自身を除く): 15500835

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 317, 405, 447, 745, 951, 1341, 1585, 2235, 2853, 4023, 4755, 6705, 8559, 12069, 14265, 20115, 25677, 42795, 47233, 60345, 128385, 141699, 236165, 425097, 708495, 1275291, 2125485, 3825873, 6376455, 19129365]

約数ペア:

[(1, 19129365), (3, 6376455), (5, 3825873), (9, 2125485), (15, 1275291), (27, 708495), (45, 425097), (81, 236165), (135, 141699), (149, 128385), (317, 60345), (405, 47233), (447, 42795), (745, 25677), (951, 20115), (1341, 14265), (1585, 12069), (2235, 8559), (2853, 6705), (4023, 4755)]