18407168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5560

約数の個数: 36

約数和(自身を含む): 39575928

約数和(自身を除く): 21168760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5531, 11062, 22124, 44248, 71903, 88496, 143806, 176992, 287612, 353984, 575224, 707968, 1150448, 1415936, 2300896, 4601792, 9203584, 18407168]

約数ペア:

[(1, 18407168), (2, 9203584), (4, 4601792), (8, 2300896), (13, 1415936), (16, 1150448), (26, 707968), (32, 575224), (52, 353984), (64, 287612), (104, 176992), (128, 143806), (208, 88496), (256, 71903), (416, 44248), (832, 22124), (1664, 11062), (3328, 5531)]