18965912

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2273}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 40932000

約数和(自身を除く): 21966088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2273, 4172, 4546, 8344, 9092, 15911, 18184, 31822, 63644, 127288, 338677, 677354, 1354708, 2370739, 2709416, 4741478, 9482956, 18965912]

約数ペア:

[(1, 18965912), (2, 9482956), (4, 4741478), (7, 2709416), (8, 2370739), (14, 1354708), (28, 677354), (56, 338677), (149, 127288), (298, 63644), (596, 31822), (1043, 18184), (1192, 15911), (2086, 9092), (2273, 8344), (4172, 4546)]