2019917988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{50503}}^1$

素因数の和:50625

約数の個数: 72

約数和(自身を含む): 5625337536

約数和(自身を除く): 3605419548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 606, 909, 1111, 1212, 1818, 2222, 3333, 3636, 4444, 6666, 9999, 13332, 19998, 39996, 50503, 101006, 151509, 202012, 303018, 454527, 555533, 606036, 909054, 1111066, 1666599, 1818108, 2222132, 3333198, 4999797, 5100803, 6666396, 9999594, 10201606, 15302409, 19999188, 20403212, 30604818, 45907227, 56108833, 61209636, 91814454, 112217666, 168326499, 183628908, 224435332, 336652998, 504979497, 673305996, 1009958994, 2019917988]

約数ペア:

[(1, 2019917988), (2, 1009958994), (3, 673305996), (4, 504979497), (6, 336652998), (9, 224435332), (11, 183628908), (12, 168326499), (18, 112217666), (22, 91814454), (33, 61209636), (36, 56108833), (44, 45907227), (66, 30604818), (99, 20403212), (101, 19999188), (132, 15302409), (198, 10201606), (202, 9999594), (303, 6666396), (396, 5100803), (404, 4999797), (606, 3333198), (909, 2222132), (1111, 1818108), (1212, 1666599), (1818, 1111066), (2222, 909054), (3333, 606036), (3636, 555533), (4444, 454527), (6666, 303018), (9999, 202012), (13332, 151509), (19998, 101006), (39996, 50503)]