19339974

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 43748640

約数和(自身を除く): 24408666

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 409, 426, 639, 666, 818, 1227, 1278, 2454, 2627, 3681, 5254, 7362, 7881, 15133, 15762, 23643, 29039, 30266, 45399, 47286, 58078, 87117, 90798, 136197, 174234, 261351, 272394, 522702, 1074443, 2148886, 3223329, 6446658, 9669987, 19339974]

約数ペア:

[(1, 19339974), (2, 9669987), (3, 6446658), (6, 3223329), (9, 2148886), (18, 1074443), (37, 522702), (71, 272394), (74, 261351), (111, 174234), (142, 136197), (213, 90798), (222, 87117), (333, 58078), (409, 47286), (426, 45399), (639, 30266), (666, 29039), (818, 23643), (1227, 15762), (1278, 15133), (2454, 7881), (2627, 7362), (3681, 5254)]