19928028

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 29133348

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 701, 1236, 1402, 2103, 2369, 2804, 4206, 4738, 7107, 8412, 9476, 14214, 16123, 28428, 32246, 48369, 64492, 72203, 96738, 144406, 193476, 216609, 288812, 433218, 866436, 1660669, 3321338, 4982007, 6642676, 9964014, 19928028]

約数ペア:

[(1, 19928028), (2, 9964014), (3, 6642676), (4, 4982007), (6, 3321338), (12, 1660669), (23, 866436), (46, 433218), (69, 288812), (92, 216609), (103, 193476), (138, 144406), (206, 96738), (276, 72203), (309, 64492), (412, 48369), (618, 32246), (701, 28428), (1236, 16123), (1402, 14214), (2103, 9476), (2369, 8412), (2804, 7107), (4206, 4738)]