19845272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{953}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 39495600

約数和(自身を除く): 19650328

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 953, 1096, 1906, 2603, 3812, 5206, 7624, 10412, 18107, 20824, 36214, 72428, 130561, 144856, 261122, 522244, 1044488, 2480659, 4961318, 9922636, 19845272]

約数ペア:

[(1, 19845272), (2, 9922636), (4, 4961318), (8, 2480659), (19, 1044488), (38, 522244), (76, 261122), (137, 144856), (152, 130561), (274, 72428), (548, 36214), (953, 20824), (1096, 18107), (1906, 10412), (2603, 7624), (3812, 5206)]