19904569346

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1\times {\mathrm{2137}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 30516272640

約数和(自身を除く): 10611703294

約数列:

[1, 2, 79, 158, 167, 334, 353, 706, 2137, 4274, 13193, 26386, 27887, 55774, 58951, 117902, 168823, 337646, 356879, 713758, 754361, 1508722, 4657129, 9314258, 28193441, 56386882, 59594519, 119189038, 125978287, 251956574, 9952284673, 19904569346]

約数ペア:

[(1, 19904569346), (2, 9952284673), (79, 251956574), (158, 125978287), (167, 119189038), (334, 59594519), (353, 56386882), (706, 28193441), (2137, 9314258), (4274, 4657129), (13193, 1508722), (26386, 754361), (27887, 713758), (55774, 356879), (58951, 337646), (117902, 168823)]