19915838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22787}}^1$

素因数の和:22831

約数の個数: 16

約数和(自身を含む): 32814720

約数和(自身を除く): 12898882

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 22787, 45574, 432953, 524101, 865906, 1048202, 9957919, 19915838]

約数ペア:

[(1, 19915838), (2, 9957919), (19, 1048202), (23, 865906), (38, 524101), (46, 432953), (437, 45574), (874, 22787)]