19443944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 41879040

約数和(自身を除く): 22435096

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 163, 248, 296, 326, 403, 481, 652, 806, 962, 1147, 1304, 1612, 1924, 2119, 2294, 3224, 3848, 4238, 4588, 5053, 6031, 8476, 9176, 10106, 12062, 14911, 16952, 20212, 24124, 29822, 40424, 48248, 59644, 65689, 78403, 119288, 131378, 156806, 186961, 262756, 313612, 373922, 525512, 627224, 747844, 1495688, 2430493, 4860986, 9721972, 19443944]

約数ペア:

[(1, 19443944), (2, 9721972), (4, 4860986), (8, 2430493), (13, 1495688), (26, 747844), (31, 627224), (37, 525512), (52, 373922), (62, 313612), (74, 262756), (104, 186961), (124, 156806), (148, 131378), (163, 119288), (248, 78403), (296, 65689), (326, 59644), (403, 48248), (481, 40424), (652, 29822), (806, 24124), (962, 20212), (1147, 16952), (1304, 14911), (1612, 12062), (1924, 10106), (2119, 9176), (2294, 8476), (3224, 6031), (3848, 5053), (4238, 4588)]