82843420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19819}}^1$

素因数の和:19858

約数の個数: 48

約数和(自身を含む): 199785600

約数和(自身を除く): 116942180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 19819, 39638, 79276, 99095, 198190, 218009, 376561, 396380, 436018, 753122, 872036, 1090045, 1506244, 1882805, 2180090, 3765610, 4142171, 4360180, 7531220, 8284342, 16568684, 20710855, 41421710, 82843420]

約数ペア:

[(1, 82843420), (2, 41421710), (4, 20710855), (5, 16568684), (10, 8284342), (11, 7531220), (19, 4360180), (20, 4142171), (22, 3765610), (38, 2180090), (44, 1882805), (55, 1506244), (76, 1090045), (95, 872036), (110, 753122), (190, 436018), (209, 396380), (220, 376561), (380, 218009), (418, 198190), (836, 99095), (1045, 79276), (2090, 39638), (4180, 19819)]