219399536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{721709}}^1$

素因数の和:721736

約数の個数: 20

約数和(自身を含む): 447460200

約数和(自身を除く): 228060664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 721709, 1443418, 2886836, 5773672, 11547344, 13712471, 27424942, 54849884, 109699768, 219399536]

約数ペア:

[(1, 219399536), (2, 109699768), (4, 54849884), (8, 27424942), (16, 13712471), (19, 11547344), (38, 5773672), (76, 2886836), (152, 1443418), (304, 721709)]