19900942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1427}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 11629298

約数列:

[1, 2, 19, 38, 367, 734, 1427, 2854, 6973, 13946, 27113, 54226, 523709, 1047418, 9950471, 19900942]

約数ペア:

[(1, 19900942), (2, 9950471), (19, 1047418), (38, 523709), (367, 54226), (734, 27113), (1427, 13946), (2854, 6973)]