18994104

素因数分解:

$2^3\times 3^2\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 51662520

約数和(自身を除く): 32668416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 331, 662, 797, 993, 1324, 1594, 1986, 2391, 2648, 2979, 3188, 3972, 4782, 5958, 6376, 7173, 7944, 9564, 11916, 14346, 19128, 23832, 28692, 57384, 263807, 527614, 791421, 1055228, 1582842, 2110456, 2374263, 3165684, 4748526, 6331368, 9497052, 18994104]

約数ペア:

[(1, 18994104), (2, 9497052), (3, 6331368), (4, 4748526), (6, 3165684), (8, 2374263), (9, 2110456), (12, 1582842), (18, 1055228), (24, 791421), (36, 527614), (72, 263807), (331, 57384), (662, 28692), (797, 23832), (993, 19128), (1324, 14346), (1594, 11916), (1986, 9564), (2391, 7944), (2648, 7173), (2979, 6376), (3188, 5958), (3972, 4782)]