16819090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 31420224

約数和(自身を除く): 14601134

約数列:

[1, 2, 5, 10, 37, 74, 131, 185, 262, 347, 370, 655, 694, 1310, 1735, 3470, 4847, 9694, 12839, 24235, 25678, 45457, 48470, 64195, 90914, 128390, 227285, 454570, 1681909, 3363818, 8409545, 16819090]

約数ペア:

[(1, 16819090), (2, 8409545), (5, 3363818), (10, 1681909), (37, 454570), (74, 227285), (131, 128390), (185, 90914), (262, 64195), (347, 48470), (370, 45457), (655, 25678), (694, 24235), (1310, 12839), (1735, 9694), (3470, 4847)]