118683728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{390407}}^1$

素因数の和:390434

約数の個数: 20

約数和(自身を含む): 242052960

約数和(自身を除く): 123369232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 390407, 780814, 1561628, 3123256, 6246512, 7417733, 14835466, 29670932, 59341864, 118683728]

約数ペア:

[(1, 118683728), (2, 59341864), (4, 29670932), (8, 14835466), (16, 7417733), (19, 6246512), (38, 3123256), (76, 1561628), (152, 780814), (304, 390407)]