19880192

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 40225920

約数和(自身を除く): 20345728

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 983, 1264, 1966, 2528, 3932, 5056, 7864, 10112, 15728, 20224, 31456, 62912, 77657, 125824, 155314, 251648, 310628, 621256, 1242512, 2485024, 4970048, 9940096, 19880192]

約数ペア:

[(1, 19880192), (2, 9940096), (4, 4970048), (8, 2485024), (16, 1242512), (32, 621256), (64, 310628), (79, 251648), (128, 155314), (158, 125824), (256, 77657), (316, 62912), (632, 31456), (983, 20224), (1264, 15728), (1966, 10112), (2528, 7864), (3932, 5056)]