19134140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 43317120

約数和(自身を除く): 24182980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1171, 1634, 2342, 3268, 4085, 4684, 5855, 8170, 11710, 16340, 22249, 23420, 44498, 50353, 88996, 100706, 111245, 201412, 222490, 251765, 444980, 503530, 956707, 1007060, 1913414, 3826828, 4783535, 9567070, 19134140]

約数ペア:

[(1, 19134140), (2, 9567070), (4, 4783535), (5, 3826828), (10, 1913414), (19, 1007060), (20, 956707), (38, 503530), (43, 444980), (76, 251765), (86, 222490), (95, 201412), (172, 111245), (190, 100706), (215, 88996), (380, 50353), (430, 44498), (817, 23420), (860, 22249), (1171, 16340), (1634, 11710), (2342, 8170), (3268, 5855), (4085, 4684)]