1851990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{8819}}^1$

素因数の和:8836

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 3228330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 8819, 17638, 26457, 44095, 52914, 61733, 88190, 123466, 132285, 185199, 264570, 308665, 370398, 617330, 925995, 1851990]

約数ペア:

[(1, 1851990), (2, 925995), (3, 617330), (5, 370398), (6, 308665), (7, 264570), (10, 185199), (14, 132285), (15, 123466), (21, 88190), (30, 61733), (35, 52914), (42, 44095), (70, 26457), (105, 17638), (210, 8819)]