209891350990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18541}}^1\times {\mathrm{59581}}^1$

素因数の和:78148

約数の個数: 32

約数和(自身を含む): 397716999840

約数和(自身を除く): 187825648850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 18541, 37082, 59581, 92705, 119162, 185410, 297905, 352279, 595810, 704558, 1132039, 1761395, 2264078, 3522790, 5660195, 11320390, 1104691321, 2209382642, 5523456605, 11046913210, 20989135099, 41978270198, 104945675495, 209891350990]

約数ペア:

[(1, 209891350990), (2, 104945675495), (5, 41978270198), (10, 20989135099), (19, 11046913210), (38, 5523456605), (95, 2209382642), (190, 1104691321), (18541, 11320390), (37082, 5660195), (59581, 3522790), (92705, 2264078), (119162, 1761395), (185410, 1132039), (297905, 704558), (352279, 595810)]