19407778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2362

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 15549662

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2311, 4199, 4622, 8398, 30043, 39287, 43909, 60086, 78574, 87818, 510731, 570817, 746453, 1021462, 1141634, 1492906, 9703889, 19407778]

約数ペア:

[(1, 19407778), (2, 9703889), (13, 1492906), (17, 1141634), (19, 1021462), (26, 746453), (34, 570817), (38, 510731), (221, 87818), (247, 78574), (323, 60086), (442, 43909), (494, 39287), (646, 30043), (2311, 8398), (4199, 4622)]