19760147204

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{53411}}^1$

素因数の和:53676

約数の個数: 48

約数和(自身を含む): 40283757696

約数和(自身を除く): 20523610492

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 181, 292, 362, 511, 724, 1022, 1267, 2044, 2534, 5068, 13213, 26426, 52852, 53411, 92491, 106822, 184982, 213644, 369964, 373877, 747754, 1495508, 3899003, 7798006, 9667391, 15596012, 19334782, 27293021, 38669564, 54586042, 67671737, 109172084, 135343474, 270686948, 705719543, 1411439086, 2822878172, 4940036801, 9880073602, 19760147204]

約数ペア:

[(1, 19760147204), (2, 9880073602), (4, 4940036801), (7, 2822878172), (14, 1411439086), (28, 705719543), (73, 270686948), (146, 135343474), (181, 109172084), (292, 67671737), (362, 54586042), (511, 38669564), (724, 27293021), (1022, 19334782), (1267, 15596012), (2044, 9667391), (2534, 7798006), (5068, 3899003), (13213, 1495508), (26426, 747754), (52852, 373877), (53411, 369964), (92491, 213644), (106822, 184982)]