20183998428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{717883}}^1$

素因数の和:717975

約数の個数: 72

約数和(自身を含む): 56442911616

約数和(自身を除く): 36258913188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 3124, 4686, 7029, 9372, 14058, 28116, 717883, 1435766, 2153649, 2871532, 4307298, 6460947, 7896713, 8614596, 12921894, 15793426, 23690139, 25843788, 31586852, 47380278, 50969693, 71070417, 94760556, 101939386, 142140834, 152909079, 203878772, 284281668, 305818158, 458727237, 560666623, 611636316, 917454474, 1121333246, 1681999869, 1834908948, 2242666492, 3363999738, 5045999607, 6727999476, 10091999214, 20183998428]

約数ペア:

[(1, 20183998428), (2, 10091999214), (3, 6727999476), (4, 5045999607), (6, 3363999738), (9, 2242666492), (11, 1834908948), (12, 1681999869), (18, 1121333246), (22, 917454474), (33, 611636316), (36, 560666623), (44, 458727237), (66, 305818158), (71, 284281668), (99, 203878772), (132, 152909079), (142, 142140834), (198, 101939386), (213, 94760556), (284, 71070417), (396, 50969693), (426, 47380278), (639, 31586852), (781, 25843788), (852, 23690139), (1278, 15793426), (1562, 12921894), (2343, 8614596), (2556, 7896713), (3124, 6460947), (4686, 4307298), (7029, 2871532), (9372, 2153649), (14058, 1435766), (28116, 717883)]