18989496

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 51979200

約数和(自身を除く): 32989704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2719, 3492, 5438, 6984, 8157, 10876, 16314, 21752, 24471, 32628, 48942, 65256, 97884, 195768, 263743, 527486, 791229, 1054972, 1582458, 2109944, 2373687, 3164916, 4747374, 6329832, 9494748, 18989496]

約数ペア:

[(1, 18989496), (2, 9494748), (3, 6329832), (4, 4747374), (6, 3164916), (8, 2373687), (9, 2109944), (12, 1582458), (18, 1054972), (24, 791229), (36, 527486), (72, 263743), (97, 195768), (194, 97884), (291, 65256), (388, 48942), (582, 32628), (776, 24471), (873, 21752), (1164, 16314), (1746, 10876), (2328, 8157), (2719, 6984), (3492, 5438)]