19425536

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 54

約数和(自身を含む): 42080850

約数和(自身を除く): 22655314

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 449, 676, 832, 898, 1352, 1664, 1796, 2704, 3328, 3592, 5408, 5837, 7184, 10816, 11674, 14368, 21632, 23348, 28736, 43264, 46696, 57472, 75881, 93392, 114944, 151762, 186784, 303524, 373568, 607048, 747136, 1214096, 1494272, 2428192, 4856384, 9712768, 19425536]

約数ペア:

[(1, 19425536), (2, 9712768), (4, 4856384), (8, 2428192), (13, 1494272), (16, 1214096), (26, 747136), (32, 607048), (52, 373568), (64, 303524), (104, 186784), (128, 151762), (169, 114944), (208, 93392), (256, 75881), (338, 57472), (416, 46696), (449, 43264), (676, 28736), (832, 23348), (898, 21632), (1352, 14368), (1664, 11674), (1796, 10816), (2704, 7184), (3328, 5837), (3592, 5408)]