19294723

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 24514560

約数和(自身を除く): 5219837

約数列:

[1, 7, 23, 37, 41, 79, 161, 259, 287, 553, 851, 943, 1517, 1817, 2923, 3239, 5957, 6601, 10619, 12719, 20461, 22673, 34891, 67229, 74497, 119843, 244237, 470603, 521479, 838901, 2756389, 19294723]

約数ペア:

[(1, 19294723), (7, 2756389), (23, 838901), (37, 521479), (41, 470603), (79, 244237), (161, 119843), (259, 74497), (287, 67229), (553, 34891), (851, 22673), (943, 20461), (1517, 12719), (1817, 10619), (2923, 6601), (3239, 5957)]