19893855016

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^2\times {\mathrm{233}}^1\times {\mathrm{907}}^1$

素因数の和:1235

約数の個数: 96

約数和(自身を含む): 43930710720

約数和(自身を除く): 24036855704

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 233, 287, 328, 466, 574, 907, 932, 1148, 1631, 1681, 1814, 1864, 2296, 3262, 3362, 3628, 6349, 6524, 6724, 7256, 9553, 11767, 12698, 13048, 13448, 19106, 23534, 25396, 37187, 38212, 47068, 50792, 66871, 74374, 76424, 94136, 133742, 148748, 211331, 260309, 267484, 297496, 391673, 422662, 520618, 534968, 783346, 845324, 1041236, 1479317, 1524667, 1566692, 1690648, 2082472, 2741711, 2958634, 3049334, 3133384, 5483422, 5917268, 6098668, 8664571, 10672669, 10966844, 11834536, 12197336, 17329142, 21345338, 21933688, 34658284, 42690676, 60651997, 69316568, 85381352, 121303994, 242607988, 355247411, 485215976, 710494822, 1420989644, 2486731877, 2841979288, 4973463754, 9946927508, 19893855016]

約数ペア:

[(1, 19893855016), (2, 9946927508), (4, 4973463754), (7, 2841979288), (8, 2486731877), (14, 1420989644), (28, 710494822), (41, 485215976), (56, 355247411), (82, 242607988), (164, 121303994), (233, 85381352), (287, 69316568), (328, 60651997), (466, 42690676), (574, 34658284), (907, 21933688), (932, 21345338), (1148, 17329142), (1631, 12197336), (1681, 11834536), (1814, 10966844), (1864, 10672669), (2296, 8664571), (3262, 6098668), (3362, 5917268), (3628, 5483422), (6349, 3133384), (6524, 3049334), (6724, 2958634), (7256, 2741711), (9553, 2082472), (11767, 1690648), (12698, 1566692), (13048, 1524667), (13448, 1479317), (19106, 1041236), (23534, 845324), (25396, 783346), (37187, 534968), (38212, 520618), (47068, 422662), (50792, 391673), (66871, 297496), (74374, 267484), (76424, 260309), (94136, 211331), (133742, 148748)]