18874170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29959}}^1$

素因数の和:29979

約数の個数: 48

約数和(自身を含む): 56085120

約数和(自身を除く): 37210950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 29959, 59918, 89877, 149795, 179754, 209713, 269631, 299590, 419426, 449385, 539262, 629139, 898770, 1048565, 1258278, 1348155, 1887417, 2097130, 2696310, 3145695, 3774834, 6291390, 9437085, 18874170]

約数ペア:

[(1, 18874170), (2, 9437085), (3, 6291390), (5, 3774834), (6, 3145695), (7, 2696310), (9, 2097130), (10, 1887417), (14, 1348155), (15, 1258278), (18, 1048565), (21, 898770), (30, 629139), (35, 539262), (42, 449385), (45, 419426), (63, 299590), (70, 269631), (90, 209713), (105, 179754), (126, 149795), (210, 89877), (315, 59918), (630, 29959)]