18475448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 36709200

約数和(自身を除く): 18233752

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 617, 788, 1234, 1576, 2468, 3743, 4936, 7486, 11723, 14972, 23446, 29944, 46892, 93784, 121549, 243098, 486196, 972392, 2309431, 4618862, 9237724, 18475448]

約数ペア:

[(1, 18475448), (2, 9237724), (4, 4618862), (8, 2309431), (19, 972392), (38, 486196), (76, 243098), (152, 121549), (197, 93784), (394, 46892), (617, 29944), (788, 23446), (1234, 14972), (1576, 11723), (2468, 7486), (3743, 4936)]