19778390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 37526976

約数和(自身を除く): 17748586

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 761, 1130, 1522, 2599, 3805, 5198, 7610, 12995, 17503, 25990, 35006, 85993, 87515, 171986, 175030, 429965, 859930, 1977839, 3955678, 9889195, 19778390]

約数ペア:

[(1, 19778390), (2, 9889195), (5, 3955678), (10, 1977839), (23, 859930), (46, 429965), (113, 175030), (115, 171986), (226, 87515), (230, 85993), (565, 35006), (761, 25990), (1130, 17503), (1522, 12995), (2599, 7610), (3805, 5198)]