19091840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 64

約数和(自身を含む): 47662560

約数和(自身を除く): 28570720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1297, 1472, 1840, 2594, 2944, 3680, 5188, 6485, 7360, 10376, 12970, 14720, 20752, 25940, 29831, 41504, 51880, 59662, 83008, 103760, 119324, 149155, 166016, 207520, 238648, 298310, 415040, 477296, 596620, 830080, 954592, 1193240, 1909184, 2386480, 3818368, 4772960, 9545920, 19091840]

約数ペア:

[(1, 19091840), (2, 9545920), (4, 4772960), (5, 3818368), (8, 2386480), (10, 1909184), (16, 1193240), (20, 954592), (23, 830080), (32, 596620), (40, 477296), (46, 415040), (64, 298310), (80, 238648), (92, 207520), (115, 166016), (128, 149155), (160, 119324), (184, 103760), (230, 83008), (320, 59662), (368, 51880), (460, 41504), (640, 29831), (736, 25940), (920, 20752), (1297, 14720), (1472, 12970), (1840, 10376), (2594, 7360), (2944, 6485), (3680, 5188)]