19569320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27086680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 239, 356, 445, 460, 478, 712, 890, 920, 956, 1195, 1780, 1912, 2047, 2390, 3560, 4094, 4780, 5497, 8188, 9560, 10235, 10994, 16376, 20470, 21271, 21988, 27485, 40940, 42542, 43976, 54970, 81880, 85084, 106355, 109940, 170168, 212710, 219880, 425420, 489233, 850840, 978466, 1956932, 2446165, 3913864, 4892330, 9784660, 19569320]

約数ペア:

[(1, 19569320), (2, 9784660), (4, 4892330), (5, 3913864), (8, 2446165), (10, 1956932), (20, 978466), (23, 850840), (40, 489233), (46, 425420), (89, 219880), (92, 212710), (115, 170168), (178, 109940), (184, 106355), (230, 85084), (239, 81880), (356, 54970), (445, 43976), (460, 42542), (478, 40940), (712, 27485), (890, 21988), (920, 21271), (956, 20470), (1195, 16376), (1780, 10994), (1912, 10235), (2047, 9560), (2390, 8188), (3560, 5497), (4094, 4780)]