1913999.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5156

約数の個数: 80

約数和(自身を含む): 228288960

約数和(自身を除く): 142799600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 5113, 8360, 10226, 16720, 20452, 25565, 40904, 51130, 56243, 81808, 97147, 102260, 112486, 194294, 204520, 224972, 281215, 388588, 409040, 449944, 485735, 562430, 777176, 899888, 971470, 1068617, 1124860, 1554352, 1942940, 2137234, 2249720, 3885880, 4274468, 4499440, 5343085, 7771760, 8548936, 10686170, 17097872, 21372340, 42744680, 85489360]

約数ペア:

[(1, 85489360), (2, 42744680), (4, 21372340), (5, 17097872), (8, 10686170), (10, 8548936), (11, 7771760), (16, 5343085), (19, 4499440), (20, 4274468), (22, 3885880), (38, 2249720), (40, 2137234), (44, 1942940), (55, 1554352), (76, 1124860), (80, 1068617), (88, 971470), (95, 899888), (110, 777176), (152, 562430), (176, 485735), (190, 449944), (209, 409040), (220, 388588), (304, 281215), (380, 224972), (418, 204520), (440, 194294), (760, 112486), (836, 102260), (880, 97147), (1045, 81808), (1520, 56243), (1672, 51130), (2090, 40904), (3344, 25565), (4180, 20452), (5113, 16720), (8360, 10226)]