19840256

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4079}}^1$

素因数の和:4114

約数の個数: 36

約数和(自身を含む): 41697600

約数和(自身を除く): 21857344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4079, 4864, 8158, 16316, 32632, 65264, 77501, 130528, 155002, 261056, 310004, 522112, 620008, 1044224, 1240016, 2480032, 4960064, 9920128, 19840256]

約数ペア:

[(1, 19840256), (2, 9920128), (4, 4960064), (8, 2480032), (16, 1240016), (19, 1044224), (32, 620008), (38, 522112), (64, 310004), (76, 261056), (128, 155002), (152, 130528), (256, 77501), (304, 65264), (608, 32632), (1216, 16316), (2432, 8158), (4079, 4864)]