19788360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 59978880

約数和(自身を除く): 40190520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1601, 2060, 2472, 3090, 3202, 4120, 4803, 6180, 6404, 8005, 9606, 12360, 12808, 16010, 19212, 24015, 32020, 38424, 48030, 64040, 96060, 164903, 192120, 329806, 494709, 659612, 824515, 989418, 1319224, 1649030, 1978836, 2473545, 3298060, 3957672, 4947090, 6596120, 9894180, 19788360]

約数ペア:

[(1, 19788360), (2, 9894180), (3, 6596120), (4, 4947090), (5, 3957672), (6, 3298060), (8, 2473545), (10, 1978836), (12, 1649030), (15, 1319224), (20, 989418), (24, 824515), (30, 659612), (40, 494709), (60, 329806), (103, 192120), (120, 164903), (206, 96060), (309, 64040), (412, 48030), (515, 38424), (618, 32020), (824, 24015), (1030, 19212), (1236, 16010), (1545, 12808), (1601, 12360), (2060, 9606), (2472, 8005), (3090, 6404), (3202, 6180), (4120, 4803)]