19642732

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 37039296

約数和(自身を除く): 17396564

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 223, 244, 361, 446, 722, 892, 1159, 1444, 2318, 4237, 4636, 8474, 13603, 16948, 22021, 27206, 44042, 54412, 80503, 88084, 161006, 258457, 322012, 516914, 1033828, 4910683, 9821366, 19642732]

約数ペア:

[(1, 19642732), (2, 9821366), (4, 4910683), (19, 1033828), (38, 516914), (61, 322012), (76, 258457), (122, 161006), (223, 88084), (244, 80503), (361, 54412), (446, 44042), (722, 27206), (892, 22021), (1159, 16948), (1444, 13603), (2318, 8474), (4237, 4636)]