15663869420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2169511}}^1$

素因数の和:2169558

約数の個数: 36

約数和(自身を含む): 34716531024

約数和(自身を除く): 19052661604

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 2169511, 4339022, 8678044, 10847555, 21695110, 41220709, 43390220, 82441418, 164882836, 206103545, 412207090, 783193471, 824414180, 1566386942, 3132773884, 3915967355, 7831934710, 15663869420]

約数ペア:

[(1, 15663869420), (2, 7831934710), (4, 3915967355), (5, 3132773884), (10, 1566386942), (19, 824414180), (20, 783193471), (38, 412207090), (76, 206103545), (95, 164882836), (190, 82441418), (361, 43390220), (380, 41220709), (722, 21695110), (1444, 10847555), (1805, 8678044), (3610, 4339022), (7220, 2169511)]