19100161720

素因数分解:

$2^3\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{231461}}^1$

素因数の和:233535

約数の個数: 32

約数和(自身を含む): 42996381120

約数和(自身を除く): 23896219400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2063, 4126, 8252, 10315, 16504, 20630, 41260, 82520, 231461, 462922, 925844, 1157305, 1851688, 2314610, 4629220, 9258440, 477504043, 955008086, 1910016172, 2387520215, 3820032344, 4775040430, 9550080860, 19100161720]

約数ペア:

[(1, 19100161720), (2, 9550080860), (4, 4775040430), (5, 3820032344), (8, 2387520215), (10, 1910016172), (20, 955008086), (40, 477504043), (2063, 9258440), (4126, 4629220), (8252, 2314610), (10315, 1851688), (16504, 1157305), (20630, 925844), (41260, 462922), (82520, 231461)]