18699968

素因数分解:

$2^6\times 7^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 84

約数和(自身を含む): 44302680

約数和(自身を除く): 25602712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 89, 98, 112, 134, 178, 196, 224, 268, 356, 392, 448, 469, 536, 623, 712, 784, 938, 1072, 1246, 1424, 1568, 1876, 2144, 2492, 2848, 3136, 3283, 3752, 4288, 4361, 4984, 5696, 5963, 6566, 7504, 8722, 9968, 11926, 13132, 15008, 17444, 19936, 23852, 26264, 30016, 34888, 39872, 41741, 47704, 52528, 69776, 83482, 95408, 105056, 139552, 166964, 190816, 210112, 279104, 292187, 333928, 381632, 584374, 667856, 1168748, 1335712, 2337496, 2671424, 4674992, 9349984, 18699968]

約数ペア:

[(1, 18699968), (2, 9349984), (4, 4674992), (7, 2671424), (8, 2337496), (14, 1335712), (16, 1168748), (28, 667856), (32, 584374), (49, 381632), (56, 333928), (64, 292187), (67, 279104), (89, 210112), (98, 190816), (112, 166964), (134, 139552), (178, 105056), (196, 95408), (224, 83482), (268, 69776), (356, 52528), (392, 47704), (448, 41741), (469, 39872), (536, 34888), (623, 30016), (712, 26264), (784, 23852), (938, 19936), (1072, 17444), (1246, 15008), (1424, 13132), (1568, 11926), (1876, 9968), (2144, 8722), (2492, 7504), (2848, 6566), (3136, 5963), (3283, 5696), (3752, 4984), (4288, 4361)]