17850820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 23130428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 967, 1420, 1846, 1934, 3692, 3868, 4615, 4835, 9230, 9670, 12571, 18460, 19340, 25142, 50284, 62855, 68657, 125710, 137314, 251420, 274628, 343285, 686570, 892541, 1373140, 1785082, 3570164, 4462705, 8925410, 17850820]

約数ペア:

[(1, 17850820), (2, 8925410), (4, 4462705), (5, 3570164), (10, 1785082), (13, 1373140), (20, 892541), (26, 686570), (52, 343285), (65, 274628), (71, 251420), (130, 137314), (142, 125710), (260, 68657), (284, 62855), (355, 50284), (710, 25142), (923, 19340), (967, 18460), (1420, 12571), (1846, 9670), (1934, 9230), (3692, 4835), (3868, 4615)]