19226745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 36206352

約数和(自身を除く): 16979607

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 613, 615, 697, 765, 1839, 1845, 2091, 3065, 3485, 5517, 6273, 9195, 10421, 10455, 25133, 27585, 31263, 31365, 52105, 75399, 93789, 125665, 156315, 226197, 376995, 427261, 468945, 1130985, 1281783, 2136305, 3845349, 6408915, 19226745]

約数ペア:

[(1, 19226745), (3, 6408915), (5, 3845349), (9, 2136305), (15, 1281783), (17, 1130985), (41, 468945), (45, 427261), (51, 376995), (85, 226197), (123, 156315), (153, 125665), (205, 93789), (255, 75399), (369, 52105), (613, 31365), (615, 31263), (697, 27585), (765, 25133), (1839, 10455), (1845, 10421), (2091, 9195), (3065, 6273), (3485, 5517)]