19937118

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 43580160

約数和(自身を除く): 23643042

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 61, 94, 114, 122, 141, 183, 282, 366, 893, 1159, 1786, 2318, 2679, 2867, 3477, 3721, 5358, 5734, 6954, 7442, 8601, 11163, 17202, 22326, 54473, 70699, 108946, 141398, 163419, 174887, 212097, 326838, 349774, 424194, 524661, 1049322, 3322853, 6645706, 9968559, 19937118]

約数ペア:

[(1, 19937118), (2, 9968559), (3, 6645706), (6, 3322853), (19, 1049322), (38, 524661), (47, 424194), (57, 349774), (61, 326838), (94, 212097), (114, 174887), (122, 163419), (141, 141398), (183, 108946), (282, 70699), (366, 54473), (893, 22326), (1159, 17202), (1786, 11163), (2318, 8601), (2679, 7442), (2867, 6954), (3477, 5734), (3721, 5358)]