19684826

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 35589888

約数和(自身を除く): 15905062

約数列:

[1, 2, 7, 14, 23, 46, 113, 161, 226, 322, 541, 791, 1082, 1582, 2599, 3787, 5198, 7574, 12443, 18193, 24886, 36386, 61133, 87101, 122266, 174202, 427931, 855862, 1406059, 2812118, 9842413, 19684826]

約数ペア:

[(1, 19684826), (2, 9842413), (7, 2812118), (14, 1406059), (23, 855862), (46, 427931), (113, 174202), (161, 122266), (226, 87101), (322, 61133), (541, 36386), (791, 24886), (1082, 18193), (1582, 12443), (2599, 7574), (3787, 5198)]