81775810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18713}}^1$

素因数の和:18762

約数の個数: 32

約数和(自身を含む): 161688960

約数和(自身を除く): 79913150

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 18713, 37426, 93565, 187130, 355547, 430399, 711094, 860798, 1777735, 2151995, 3555470, 4303990, 8177581, 16355162, 40887905, 81775810]

約数ペア:

[(1, 81775810), (2, 40887905), (5, 16355162), (10, 8177581), (19, 4303990), (23, 3555470), (38, 2151995), (46, 1777735), (95, 860798), (115, 711094), (190, 430399), (230, 355547), (437, 187130), (874, 93565), (2185, 37426), (4370, 18713)]