19739290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4517}}^1$

素因数の和:4566

約数の個数: 32

約数和(自身を含む): 39035520

約数和(自身を除く): 19296230

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4517, 9034, 22585, 45170, 85823, 103891, 171646, 207782, 429115, 519455, 858230, 1038910, 1973929, 3947858, 9869645, 19739290]

約数ペア:

[(1, 19739290), (2, 9869645), (5, 3947858), (10, 1973929), (19, 1038910), (23, 858230), (38, 519455), (46, 429115), (95, 207782), (115, 171646), (190, 103891), (230, 85823), (437, 45170), (874, 22585), (2185, 9034), (4370, 4517)]