18895616

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 36

約数和(自身を含む): 38950464

約数和(自身を除く): 20054848

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2381, 3968, 4762, 7936, 9524, 19048, 38096, 73811, 76192, 147622, 152384, 295244, 304768, 590488, 609536, 1180976, 2361952, 4723904, 9447808, 18895616]

約数ペア:

[(1, 18895616), (2, 9447808), (4, 4723904), (8, 2361952), (16, 1180976), (31, 609536), (32, 590488), (62, 304768), (64, 295244), (124, 152384), (128, 147622), (248, 76192), (256, 73811), (496, 38096), (992, 19048), (1984, 9524), (2381, 7936), (3968, 4762)]