18204472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15913}}^1$

素因数の和:15943

約数の個数: 32

約数和(自身を含む): 40103280

約数和(自身を除く): 21898808

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 15913, 31826, 63652, 127304, 175043, 206869, 350086, 413738, 700172, 827476, 1400344, 1654952, 2275559, 4551118, 9102236, 18204472]

約数ペア:

[(1, 18204472), (2, 9102236), (4, 4551118), (8, 2275559), (11, 1654952), (13, 1400344), (22, 827476), (26, 700172), (44, 413738), (52, 350086), (88, 206869), (104, 175043), (143, 127304), (286, 63652), (572, 31826), (1144, 15913)]