19599972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 52493952

約数和(自身を除く): 32893980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 661, 706, 1059, 1322, 1412, 1983, 2118, 2471, 2644, 3966, 4236, 4627, 4942, 7413, 7932, 9254, 9884, 13881, 14826, 18508, 27762, 29652, 55524, 233333, 466666, 699999, 933332, 1399998, 1633331, 2799996, 3266662, 4899993, 6533324, 9799986, 19599972]

約数ペア:

[(1, 19599972), (2, 9799986), (3, 6533324), (4, 4899993), (6, 3266662), (7, 2799996), (12, 1633331), (14, 1399998), (21, 933332), (28, 699999), (42, 466666), (84, 233333), (353, 55524), (661, 29652), (706, 27762), (1059, 18508), (1322, 14826), (1412, 13881), (1983, 9884), (2118, 9254), (2471, 7932), (2644, 7413), (3966, 4942), (4236, 4627)]