19877504

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:1968

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 20220736

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 1871, 2656, 3742, 5312, 7484, 10624, 14968, 29936, 59872, 119744, 155293, 239488, 310586, 621172, 1242344, 2484688, 4969376, 9938752, 19877504]

約数ペア:

[(1, 19877504), (2, 9938752), (4, 4969376), (8, 2484688), (16, 1242344), (32, 621172), (64, 310586), (83, 239488), (128, 155293), (166, 119744), (332, 59872), (664, 29936), (1328, 14968), (1871, 10624), (2656, 7484), (3742, 5312)]