19561822

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15919778

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 769, 1106, 1538, 1817, 3634, 5383, 10766, 12719, 17687, 25438, 35374, 60751, 121502, 123809, 247618, 425257, 850514, 1397273, 2794546, 9780911, 19561822]

約数ペア:

[(1, 19561822), (2, 9780911), (7, 2794546), (14, 1397273), (23, 850514), (46, 425257), (79, 247618), (158, 123809), (161, 121502), (322, 60751), (553, 35374), (769, 25438), (1106, 17687), (1538, 12719), (1817, 10766), (3634, 5383)]