18775708

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 39337984

約数和(自身を除く): 20562276

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 97, 124, 194, 217, 223, 388, 434, 446, 679, 868, 892, 1358, 1561, 2716, 3007, 3122, 6014, 6244, 6913, 12028, 13826, 21049, 21631, 27652, 42098, 43262, 48391, 84196, 86524, 96782, 151417, 193564, 302834, 605668, 670561, 1341122, 2682244, 4693927, 9387854, 18775708]

約数ペア:

[(1, 18775708), (2, 9387854), (4, 4693927), (7, 2682244), (14, 1341122), (28, 670561), (31, 605668), (62, 302834), (97, 193564), (124, 151417), (194, 96782), (217, 86524), (223, 84196), (388, 48391), (434, 43262), (446, 42098), (679, 27652), (868, 21631), (892, 21049), (1358, 13826), (1561, 12028), (2716, 6913), (3007, 6244), (3122, 6014)]