19509194

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:230

約数の個数: 24

約数和(自身を含む): 31005828

約数和(自身を除く): 11496634

約数列:

[1, 2, 41, 53, 67, 82, 106, 134, 2173, 2747, 3551, 4346, 4489, 5494, 7102, 8978, 145591, 184049, 237917, 291182, 368098, 475834, 9754597, 19509194]

約数ペア:

[(1, 19509194), (2, 9754597), (41, 475834), (53, 368098), (67, 291182), (82, 237917), (106, 184049), (134, 145591), (2173, 8978), (2747, 7102), (3551, 5494), (4346, 4489)]