20194515

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1511}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 19431981

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1485, 1511, 2673, 4455, 4533, 7555, 13365, 13599, 16621, 22665, 40797, 49863, 67995, 83105, 122391, 149589, 203985, 249315, 367173, 448767, 611955, 747945, 1346301, 1835865, 2243835, 4038903, 6731505, 20194515]

約数ペア:

[(1, 20194515), (3, 6731505), (5, 4038903), (9, 2243835), (11, 1835865), (15, 1346301), (27, 747945), (33, 611955), (45, 448767), (55, 367173), (81, 249315), (99, 203985), (135, 149589), (165, 122391), (243, 83105), (297, 67995), (405, 49863), (495, 40797), (891, 22665), (1215, 16621), (1485, 13599), (1511, 13365), (2673, 7555), (4455, 4533)]