19898576

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 39774240

約数和(自身を除く): 19875664

約数列:

[1, 2, 4, 8, 16, 59, 107, 118, 197, 214, 236, 394, 428, 472, 788, 856, 944, 1576, 1712, 3152, 6313, 11623, 12626, 21079, 23246, 25252, 42158, 46492, 50504, 84316, 92984, 101008, 168632, 185968, 337264, 1243661, 2487322, 4974644, 9949288, 19898576]

約数ペア:

[(1, 19898576), (2, 9949288), (4, 4974644), (8, 2487322), (16, 1243661), (59, 337264), (107, 185968), (118, 168632), (197, 101008), (214, 92984), (236, 84316), (394, 50504), (428, 46492), (472, 42158), (788, 25252), (856, 23246), (944, 21079), (1576, 12626), (1712, 11623), (3152, 6313)]