19063760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7731

約数の個数: 40

約数和(自身を含む): 45758976

約数和(自身を除く): 26695216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7687, 15374, 30748, 38435, 61496, 76870, 122992, 153740, 238297, 307480, 476594, 614960, 953188, 1191485, 1906376, 2382970, 3812752, 4765940, 9531880, 19063760]

約数ペア:

[(1, 19063760), (2, 9531880), (4, 4765940), (5, 3812752), (8, 2382970), (10, 1906376), (16, 1191485), (20, 953188), (31, 614960), (40, 476594), (62, 307480), (80, 238297), (124, 153740), (155, 122992), (248, 76870), (310, 61496), (496, 38435), (620, 30748), (1240, 15374), (2480, 7687)]