19790865

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4729}}^1$

素因数の和:4774

約数の個数: 32

約数和(自身を含む): 36326400

約数和(自身を除く): 16535535

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4729, 14187, 23645, 42561, 70935, 127683, 146599, 212805, 439797, 638415, 732995, 1319391, 2198985, 3958173, 6596955, 19790865]

約数ペア:

[(1, 19790865), (3, 6596955), (5, 3958173), (9, 2198985), (15, 1319391), (27, 732995), (31, 638415), (45, 439797), (93, 212805), (135, 146599), (155, 127683), (279, 70935), (465, 42561), (837, 23645), (1395, 14187), (4185, 4729)]