2019915080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{5413}}^1$

素因数の和:5934

約数の個数: 64

約数和(自身を含む): 4794638400

約数和(自身を除く): 2774723320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 491, 760, 982, 1964, 2455, 3928, 4910, 5413, 9329, 9820, 10826, 18658, 19640, 21652, 27065, 37316, 43304, 46645, 54130, 74632, 93290, 102847, 108260, 186580, 205694, 216520, 373160, 411388, 514235, 822776, 1028470, 2056940, 2657783, 4113880, 5315566, 10631132, 13288915, 21262264, 26577830, 50497877, 53155660, 100995754, 106311320, 201991508, 252489385, 403983016, 504978770, 1009957540, 2019915080]

約数ペア:

[(1, 2019915080), (2, 1009957540), (4, 504978770), (5, 403983016), (8, 252489385), (10, 201991508), (19, 106311320), (20, 100995754), (38, 53155660), (40, 50497877), (76, 26577830), (95, 21262264), (152, 13288915), (190, 10631132), (380, 5315566), (491, 4113880), (760, 2657783), (982, 2056940), (1964, 1028470), (2455, 822776), (3928, 514235), (4910, 411388), (5413, 373160), (9329, 216520), (9820, 205694), (10826, 186580), (18658, 108260), (19640, 102847), (21652, 93290), (27065, 74632), (37316, 54130), (43304, 46645)]