19581093

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 15462747

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 329, 357, 389, 423, 799, 987, 1071, 1167, 2397, 2723, 2961, 3501, 5593, 6613, 7191, 8169, 16779, 18283, 19839, 24507, 46291, 50337, 54849, 59517, 127981, 138873, 164547, 310811, 383943, 416619, 932433, 1151829, 2175677, 2797299, 6527031, 19581093]

約数ペア:

[(1, 19581093), (3, 6527031), (7, 2797299), (9, 2175677), (17, 1151829), (21, 932433), (47, 416619), (51, 383943), (63, 310811), (119, 164547), (141, 138873), (153, 127981), (329, 59517), (357, 54849), (389, 50337), (423, 46291), (799, 24507), (987, 19839), (1071, 18283), (1167, 16779), (2397, 8169), (2723, 7191), (2961, 6613), (3501, 5593)]