19081232560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{39799}}^1$

素因数の和:40286

約数の個数: 80

約数和(自身を含む): 47881310400

約数和(自身を除く): 28800077840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 461, 520, 922, 1040, 1844, 2305, 3688, 4610, 5993, 7376, 9220, 11986, 18440, 23972, 29965, 36880, 39799, 47944, 59930, 79598, 95888, 119860, 159196, 198995, 239720, 318392, 397990, 479440, 517387, 636784, 795980, 1034774, 1591960, 2069548, 2586935, 3183920, 4139096, 5173870, 8278192, 10347740, 18347339, 20695480, 36694678, 41390960, 73389356, 91736695, 146778712, 183473390, 238515407, 293557424, 366946780, 477030814, 733893560, 954061628, 1192577035, 1467787120, 1908123256, 2385154070, 3816246512, 4770308140, 9540616280, 19081232560]

約数ペア:

[(1, 19081232560), (2, 9540616280), (4, 4770308140), (5, 3816246512), (8, 2385154070), (10, 1908123256), (13, 1467787120), (16, 1192577035), (20, 954061628), (26, 733893560), (40, 477030814), (52, 366946780), (65, 293557424), (80, 238515407), (104, 183473390), (130, 146778712), (208, 91736695), (260, 73389356), (461, 41390960), (520, 36694678), (922, 20695480), (1040, 18347339), (1844, 10347740), (2305, 8278192), (3688, 5173870), (4610, 4139096), (5993, 3183920), (7376, 2586935), (9220, 2069548), (11986, 1591960), (18440, 1034774), (23972, 795980), (29965, 636784), (36880, 517387), (39799, 479440), (47944, 397990), (59930, 318392), (79598, 239720), (95888, 198995), (119860, 159196)]