18963868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2677}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 43190784

約数和(自身を除く): 24226916

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2677, 3542, 5354, 7084, 10708, 18739, 29447, 37478, 58894, 61571, 74956, 117788, 123142, 206129, 246284, 412258, 430997, 677281, 824516, 861994, 1354562, 1723988, 2709124, 4740967, 9481934, 18963868]

約数ペア:

[(1, 18963868), (2, 9481934), (4, 4740967), (7, 2709124), (11, 1723988), (14, 1354562), (22, 861994), (23, 824516), (28, 677281), (44, 430997), (46, 412258), (77, 246284), (92, 206129), (154, 123142), (161, 117788), (253, 74956), (308, 61571), (322, 58894), (506, 37478), (644, 29447), (1012, 18739), (1771, 10708), (2677, 7084), (3542, 5354)]