19175751

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 13771449

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1429, 1491, 1917, 4287, 4473, 10003, 12861, 13419, 30009, 38583, 90027, 101459, 270081, 304377, 710213, 913131, 2130639, 2739393, 6391917, 19175751]

約数ペア:

[(1, 19175751), (3, 6391917), (7, 2739393), (9, 2130639), (21, 913131), (27, 710213), (63, 304377), (71, 270081), (189, 101459), (213, 90027), (497, 38583), (639, 30009), (1429, 13419), (1491, 12861), (1917, 10003), (4287, 4473)]