19355984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63671}}^1$

素因数の和:63698

約数の個数: 20

約数和(自身を含む): 39476640

約数和(自身を除く): 20120656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63671, 127342, 254684, 509368, 1018736, 1209749, 2419498, 4838996, 9677992, 19355984]

約数ペア:

[(1, 19355984), (2, 9677992), (4, 4838996), (8, 2419498), (16, 1209749), (19, 1018736), (38, 509368), (76, 254684), (152, 127342), (304, 63671)]