18863872

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2424

約数の個数: 36

約数和(自身を含む): 38885056

約数和(自身を除く): 20021184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2377, 3968, 4754, 7936, 9508, 19016, 38032, 73687, 76064, 147374, 152128, 294748, 304256, 589496, 608512, 1178992, 2357984, 4715968, 9431936, 18863872]

約数ペア:

[(1, 18863872), (2, 9431936), (4, 4715968), (8, 2357984), (16, 1178992), (31, 608512), (32, 589496), (62, 304256), (64, 294748), (124, 152128), (128, 147374), (248, 76064), (256, 73687), (496, 38032), (992, 19016), (1984, 9508), (2377, 7936), (3968, 4754)]