19974442

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6481}}^1$

素因数の和:6573

約数の個数: 16

約数和(自身を含む): 31735872

約数和(自身を除く): 11761430

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6481, 12962, 149063, 298126, 434227, 868454, 9987221, 19974442]

約数ペア:

[(1, 19974442), (2, 9987221), (23, 868454), (46, 434227), (67, 298126), (134, 149063), (1541, 12962), (3082, 6481)]