18744992

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 42840000

約数和(自身を除く): 24095008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1249, 1876, 2144, 2498, 3752, 4996, 7504, 8743, 9992, 15008, 17486, 19984, 34972, 39968, 69944, 83683, 139888, 167366, 279776, 334732, 585781, 669464, 1171562, 1338928, 2343124, 2677856, 4686248, 9372496, 18744992]

約数ペア:

[(1, 18744992), (2, 9372496), (4, 4686248), (7, 2677856), (8, 2343124), (14, 1338928), (16, 1171562), (28, 669464), (32, 585781), (56, 334732), (67, 279776), (112, 167366), (134, 139888), (224, 83683), (268, 69944), (469, 39968), (536, 34972), (938, 19984), (1072, 17486), (1249, 15008), (1876, 9992), (2144, 8743), (2498, 7504), (3752, 4996)]