19026117

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 32500800

約数和(自身を除く): 13474683

約数列:

[1, 3, 9, 11, 27, 29, 33, 47, 87, 99, 141, 261, 297, 319, 423, 517, 783, 957, 1269, 1363, 1551, 2209, 2871, 4089, 4653, 6627, 8613, 12267, 13959, 14993, 19881, 24299, 36801, 44979, 59643, 64061, 72897, 134937, 192183, 218691, 404811, 576549, 656073, 704671, 1729647, 2114013, 6342039, 19026117]

約数ペア:

[(1, 19026117), (3, 6342039), (9, 2114013), (11, 1729647), (27, 704671), (29, 656073), (33, 576549), (47, 404811), (87, 218691), (99, 192183), (141, 134937), (261, 72897), (297, 64061), (319, 59643), (423, 44979), (517, 36801), (783, 24299), (957, 19881), (1269, 14993), (1363, 13959), (1551, 12267), (2209, 8613), (2871, 6627), (4089, 4653)]