19791040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2729

約数の個数: 56

約数和(自身を含む): 49194720

約数和(自身を除く): 29403680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2689, 3680, 5378, 7360, 10756, 13445, 21512, 26890, 43024, 53780, 61847, 86048, 107560, 123694, 172096, 215120, 247388, 309235, 430240, 494776, 618470, 860480, 989552, 1236940, 1979104, 2473880, 3958208, 4947760, 9895520, 19791040]

約数ペア:

[(1, 19791040), (2, 9895520), (4, 4947760), (5, 3958208), (8, 2473880), (10, 1979104), (16, 1236940), (20, 989552), (23, 860480), (32, 618470), (40, 494776), (46, 430240), (64, 309235), (80, 247388), (92, 215120), (115, 172096), (160, 123694), (184, 107560), (230, 86048), (320, 61847), (368, 53780), (460, 43024), (736, 26890), (920, 21512), (1472, 13445), (1840, 10756), (2689, 7360), (3680, 5378)]