19539380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{599}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27635020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 599, 932, 1165, 1198, 1631, 2330, 2396, 2995, 3262, 4193, 4660, 5990, 6524, 8155, 8386, 11980, 16310, 16772, 20965, 32620, 41930, 83860, 139567, 279134, 558268, 697835, 976969, 1395670, 1953938, 2791340, 3907876, 4884845, 9769690, 19539380]

約数ペア:

[(1, 19539380), (2, 9769690), (4, 4884845), (5, 3907876), (7, 2791340), (10, 1953938), (14, 1395670), (20, 976969), (28, 697835), (35, 558268), (70, 279134), (140, 139567), (233, 83860), (466, 41930), (599, 32620), (932, 20965), (1165, 16772), (1198, 16310), (1631, 11980), (2330, 8386), (2396, 8155), (2995, 6524), (3262, 5990), (4193, 4660)]