2019933320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{29863}}^1$

素因数の和:29982

約数の個数: 64

約数和(自身を含む): 4837968000

約数和(自身を除く): 2818034680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 29863, 33820, 59726, 67640, 119452, 149315, 238904, 298630, 567397, 597260, 1134794, 1194520, 2269588, 2657807, 2836985, 4539176, 5315614, 5673970, 10631228, 11347940, 13289035, 21262456, 22695880, 26578070, 50498333, 53156140, 100996666, 106312280, 201993332, 252491665, 403986664, 504983330, 1009966660, 2019933320]

約数ペア:

[(1, 2019933320), (2, 1009966660), (4, 504983330), (5, 403986664), (8, 252491665), (10, 201993332), (19, 106312280), (20, 100996666), (38, 53156140), (40, 50498333), (76, 26578070), (89, 22695880), (95, 21262456), (152, 13289035), (178, 11347940), (190, 10631228), (356, 5673970), (380, 5315614), (445, 4539176), (712, 2836985), (760, 2657807), (890, 2269588), (1691, 1194520), (1780, 1134794), (3382, 597260), (3560, 567397), (6764, 298630), (8455, 238904), (13528, 149315), (16910, 119452), (29863, 67640), (33820, 59726)]