18684410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3446

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 17949190

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3391, 5510, 6782, 16955, 33910, 64429, 98339, 128858, 196678, 322145, 491695, 644290, 983390, 1868441, 3736882, 9342205, 18684410]

約数ペア:

[(1, 18684410), (2, 9342205), (5, 3736882), (10, 1868441), (19, 983390), (29, 644290), (38, 491695), (58, 322145), (95, 196678), (145, 128858), (190, 98339), (290, 64429), (551, 33910), (1102, 16955), (2755, 6782), (3391, 5510)]