619996144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2039461}}^1$

素因数の和:2039488

約数の個数: 20

約数和(自身を含む): 1264466440

約数和(自身を除く): 644470296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2039461, 4078922, 8157844, 16315688, 32631376, 38749759, 77499518, 154999036, 309998072, 619996144]

約数ペア:

[(1, 619996144), (2, 309998072), (4, 154999036), (8, 77499518), (16, 38749759), (19, 32631376), (38, 16315688), (76, 8157844), (152, 4078922), (304, 2039461)]