19928792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5179}}^1$

素因数の和:5235

約数の個数: 32

約数和(自身を含む): 41336400

約数和(自身を除く): 21407608

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5179, 10358, 20716, 41432, 67327, 134654, 191623, 269308, 383246, 538616, 766492, 1532984, 2491099, 4982198, 9964396, 19928792]

約数ペア:

[(1, 19928792), (2, 9964396), (4, 4982198), (8, 2491099), (13, 1532984), (26, 766492), (37, 538616), (52, 383246), (74, 269308), (104, 191623), (148, 134654), (296, 67327), (481, 41432), (962, 20716), (1924, 10358), (3848, 5179)]