19720154

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13829}}^1$

素因数の和:13885

約数の個数: 16

約数和(自身を含む): 31864320

約数和(自身を除く): 12144166

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 13829, 27658, 318067, 428699, 636134, 857398, 9860077, 19720154]

約数ペア:

[(1, 19720154), (2, 9860077), (23, 857398), (31, 636134), (46, 428699), (62, 318067), (713, 27658), (1426, 13829)]