19376409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 29747200

約数和(自身を除く): 10370791

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 331, 741, 993, 1027, 1501, 3081, 4303, 4503, 6289, 12909, 18867, 19513, 26149, 58539, 78447, 81757, 245271, 339937, 496831, 1019811, 1490493, 6458803, 19376409]

約数ペア:

[(1, 19376409), (3, 6458803), (13, 1490493), (19, 1019811), (39, 496831), (57, 339937), (79, 245271), (237, 81757), (247, 78447), (331, 58539), (741, 26149), (993, 19513), (1027, 18867), (1501, 12909), (3081, 6289), (4303, 4503)]