19979078

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 35228736

約数和(自身を除く): 15249658

約数列:

[1, 2, 7, 14, 73, 113, 146, 173, 226, 346, 511, 791, 1022, 1211, 1582, 2422, 8249, 12629, 16498, 19549, 25258, 39098, 57743, 88403, 115486, 136843, 176806, 273686, 1427077, 2854154, 9989539, 19979078]

約数ペア:

[(1, 19979078), (2, 9989539), (7, 2854154), (14, 1427077), (73, 273686), (113, 176806), (146, 136843), (173, 115486), (226, 88403), (346, 57743), (511, 39098), (791, 25258), (1022, 19549), (1211, 16498), (1582, 12629), (2422, 8249)]