19583960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 29560360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 947, 1034, 1880, 1894, 2068, 2585, 3788, 4136, 4735, 5170, 7576, 9470, 10340, 10417, 18940, 20680, 20834, 37880, 41668, 44509, 52085, 83336, 89018, 104170, 178036, 208340, 222545, 356072, 416680, 445090, 489599, 890180, 979198, 1780360, 1958396, 2447995, 3916792, 4895990, 9791980, 19583960]

約数ペア:

[(1, 19583960), (2, 9791980), (4, 4895990), (5, 3916792), (8, 2447995), (10, 1958396), (11, 1780360), (20, 979198), (22, 890180), (40, 489599), (44, 445090), (47, 416680), (55, 356072), (88, 222545), (94, 208340), (110, 178036), (188, 104170), (220, 89018), (235, 83336), (376, 52085), (440, 44509), (470, 41668), (517, 37880), (940, 20834), (947, 20680), (1034, 18940), (1880, 10417), (1894, 10340), (2068, 9470), (2585, 7576), (3788, 5170), (4136, 4735)]