19802955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 13817013

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1151, 3441, 3453, 5735, 5755, 17205, 17265, 35681, 42587, 107043, 127761, 178405, 212935, 535215, 638805, 1320197, 3960591, 6600985, 19802955]

約数ペア:

[(1, 19802955), (3, 6600985), (5, 3960591), (15, 1320197), (31, 638805), (37, 535215), (93, 212935), (111, 178405), (155, 127761), (185, 107043), (465, 42587), (555, 35681), (1147, 17265), (1151, 17205), (3441, 5755), (3453, 5735)]