18840064

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1236

約数の個数: 40

約数和(自身を含む): 38890368

約数和(自身を除く): 20050304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1187, 1984, 2374, 3968, 4748, 7936, 9496, 15872, 18992, 36797, 37984, 73594, 75968, 147188, 151936, 294376, 303872, 588752, 607744, 1177504, 2355008, 4710016, 9420032, 18840064]

約数ペア:

[(1, 18840064), (2, 9420032), (4, 4710016), (8, 2355008), (16, 1177504), (31, 607744), (32, 588752), (62, 303872), (64, 294376), (124, 151936), (128, 147188), (248, 75968), (256, 73594), (496, 37984), (512, 36797), (992, 18992), (1187, 15872), (1984, 9496), (2374, 7936), (3968, 4748)]