19559295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 40015872

約数和(自身を除く): 20456577

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2003, 3255, 6009, 9765, 10015, 14021, 18027, 30045, 42063, 62093, 70105, 90135, 126189, 186279, 210315, 310465, 434651, 558837, 630945, 931395, 1303953, 2173255, 2794185, 3911859, 6519765, 19559295]

約数ペア:

[(1, 19559295), (3, 6519765), (5, 3911859), (7, 2794185), (9, 2173255), (15, 1303953), (21, 931395), (31, 630945), (35, 558837), (45, 434651), (63, 310465), (93, 210315), (105, 186279), (155, 126189), (217, 90135), (279, 70105), (315, 62093), (465, 42063), (651, 30045), (1085, 18027), (1395, 14021), (1953, 10015), (2003, 9765), (3255, 6009)]