19908588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 33797652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2663, 3738, 5326, 7476, 7989, 10652, 15978, 18641, 31956, 37282, 55923, 74564, 111846, 223692, 237007, 474014, 711021, 948028, 1422042, 1659049, 2844084, 3318098, 4977147, 6636196, 9954294, 19908588]

約数ペア:

[(1, 19908588), (2, 9954294), (3, 6636196), (4, 4977147), (6, 3318098), (7, 2844084), (12, 1659049), (14, 1422042), (21, 948028), (28, 711021), (42, 474014), (84, 237007), (89, 223692), (178, 111846), (267, 74564), (356, 55923), (534, 37282), (623, 31956), (1068, 18641), (1246, 15978), (1869, 10652), (2492, 7989), (2663, 7476), (3738, 5326)]