19878282

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 45082440

約数和(自身を除く): 25204158

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 113, 174, 226, 261, 337, 339, 522, 674, 678, 1011, 1017, 2022, 2034, 3033, 3277, 6066, 6554, 9773, 9831, 19546, 19662, 29319, 29493, 38081, 58638, 58986, 76162, 87957, 114243, 175914, 228486, 342729, 685458, 1104349, 2208698, 3313047, 6626094, 9939141, 19878282]

約数ペア:

[(1, 19878282), (2, 9939141), (3, 6626094), (6, 3313047), (9, 2208698), (18, 1104349), (29, 685458), (58, 342729), (87, 228486), (113, 175914), (174, 114243), (226, 87957), (261, 76162), (337, 58986), (339, 58638), (522, 38081), (674, 29493), (678, 29319), (1011, 19662), (1017, 19546), (2022, 9831), (2034, 9773), (3033, 6554), (3277, 6066)]