15581916

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20611}}^1$

素因数の和:20631

約数の個数: 48

約数和(自身を含む): 46170880

約数和(自身を除く): 30588964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20611, 41222, 61833, 82444, 123666, 144277, 185499, 247332, 288554, 370998, 432831, 556497, 577108, 741996, 865662, 1112994, 1298493, 1731324, 2225988, 2596986, 3895479, 5193972, 7790958, 15581916]

約数ペア:

[(1, 15581916), (2, 7790958), (3, 5193972), (4, 3895479), (6, 2596986), (7, 2225988), (9, 1731324), (12, 1298493), (14, 1112994), (18, 865662), (21, 741996), (27, 577108), (28, 556497), (36, 432831), (42, 370998), (54, 288554), (63, 247332), (84, 185499), (108, 144277), (126, 123666), (189, 82444), (252, 61833), (378, 41222), (756, 20611)]