18871913698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{87541}}^1$

素因数の和:87834

約数の個数: 32

約数和(自身を含む): 31767240960

約数和(自身を除く): 12895327262

約数列:

[1, 2, 11, 22, 41, 82, 239, 451, 478, 902, 2629, 5258, 9799, 19598, 87541, 107789, 175082, 215578, 962951, 1925902, 3589181, 7178362, 20922299, 39480991, 41844598, 78961982, 230145289, 460290578, 857814259, 1715628518, 9435956849, 18871913698]

約数ペア:

[(1, 18871913698), (2, 9435956849), (11, 1715628518), (22, 857814259), (41, 460290578), (82, 230145289), (239, 78961982), (451, 41844598), (478, 39480991), (902, 20922299), (2629, 7178362), (5258, 3589181), (9799, 1925902), (19598, 962951), (87541, 215578), (107789, 175082)]