19226790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19421}}^1$

素因数の和:19445

約数の個数: 48

約数和(自身を含む): 54536976

約数和(自身を除く): 35310186

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19421, 38842, 58263, 97105, 116526, 174789, 194210, 213631, 291315, 349578, 427262, 582630, 640893, 873945, 1068155, 1281786, 1747890, 1922679, 2136310, 3204465, 3845358, 6408930, 9613395, 19226790]

約数ペア:

[(1, 19226790), (2, 9613395), (3, 6408930), (5, 3845358), (6, 3204465), (9, 2136310), (10, 1922679), (11, 1747890), (15, 1281786), (18, 1068155), (22, 873945), (30, 640893), (33, 582630), (45, 427262), (55, 349578), (66, 291315), (90, 213631), (99, 194210), (110, 174789), (165, 116526), (198, 97105), (330, 58263), (495, 38842), (990, 19421)]