19078384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 60

約数和(自身を含む): 41523384

約数和(自身を除く): 22445000

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 67, 74, 104, 134, 148, 208, 268, 296, 481, 536, 592, 871, 962, 1072, 1369, 1742, 1924, 2479, 2738, 3484, 3848, 4958, 5476, 6968, 7696, 9916, 10952, 13936, 17797, 19832, 21904, 32227, 35594, 39664, 64454, 71188, 91723, 128908, 142376, 183446, 257816, 284752, 366892, 515632, 733784, 1192399, 1467568, 2384798, 4769596, 9539192, 19078384]

約数ペア:

[(1, 19078384), (2, 9539192), (4, 4769596), (8, 2384798), (13, 1467568), (16, 1192399), (26, 733784), (37, 515632), (52, 366892), (67, 284752), (74, 257816), (104, 183446), (134, 142376), (148, 128908), (208, 91723), (268, 71188), (296, 64454), (481, 39664), (536, 35594), (592, 32227), (871, 21904), (962, 19832), (1072, 17797), (1369, 13936), (1742, 10952), (1924, 9916), (2479, 7696), (2738, 6968), (3484, 5476), (3848, 4958)]