19260813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 14607987

約数列:

[1, 3, 11, 13, 17, 19, 33, 39, 51, 57, 139, 143, 187, 209, 221, 247, 323, 417, 429, 561, 627, 663, 741, 969, 1529, 1807, 2363, 2431, 2641, 2717, 3553, 4199, 4587, 5421, 7089, 7293, 7923, 8151, 10659, 12597, 19877, 25993, 29051, 30719, 34333, 44897, 46189, 59631, 77979, 87153, 92157, 102999, 134691, 138567, 337909, 377663, 493867, 583661, 1013727, 1132989, 1481601, 1750983, 6420271, 19260813]

約数ペア:

[(1, 19260813), (3, 6420271), (11, 1750983), (13, 1481601), (17, 1132989), (19, 1013727), (33, 583661), (39, 493867), (51, 377663), (57, 337909), (139, 138567), (143, 134691), (187, 102999), (209, 92157), (221, 87153), (247, 77979), (323, 59631), (417, 46189), (429, 44897), (561, 34333), (627, 30719), (663, 29051), (741, 25993), (969, 19877), (1529, 12597), (1807, 10659), (2363, 8151), (2431, 7923), (2641, 7293), (2717, 7089), (3553, 5421), (4199, 4587)]