18345944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 36514800

約数和(自身を除く): 18168856

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 881, 1096, 1762, 2603, 3524, 5206, 7048, 10412, 16739, 20824, 33478, 66956, 120697, 133912, 241394, 482788, 965576, 2293243, 4586486, 9172972, 18345944]

約数ペア:

[(1, 18345944), (2, 9172972), (4, 4586486), (8, 2293243), (19, 965576), (38, 482788), (76, 241394), (137, 133912), (152, 120697), (274, 66956), (548, 33478), (881, 20824), (1096, 16739), (1762, 10412), (2603, 7048), (3524, 5206)]