19492960

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5297}}^1$

素因数の和:5335

約数の個数: 48

約数和(自身を含む): 48063456

約数和(自身を除く): 28570496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5297, 10594, 21188, 26485, 42376, 52970, 84752, 105940, 121831, 169504, 211880, 243662, 423760, 487324, 609155, 847520, 974648, 1218310, 1949296, 2436620, 3898592, 4873240, 9746480, 19492960]

約数ペア:

[(1, 19492960), (2, 9746480), (4, 4873240), (5, 3898592), (8, 2436620), (10, 1949296), (16, 1218310), (20, 974648), (23, 847520), (32, 609155), (40, 487324), (46, 423760), (80, 243662), (92, 211880), (115, 169504), (160, 121831), (184, 105940), (230, 84752), (368, 52970), (460, 42376), (736, 26485), (920, 21188), (1840, 10594), (3680, 5297)]