19838760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5333}}^1$

素因数の和:5378

約数の個数: 64

約数和(自身を含む): 61447680

約数和(自身を除く): 41608920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5333, 10666, 15999, 21332, 26665, 31998, 42664, 53330, 63996, 79995, 106660, 127992, 159990, 165323, 213320, 319980, 330646, 495969, 639960, 661292, 826615, 991938, 1322584, 1653230, 1983876, 2479845, 3306460, 3967752, 4959690, 6612920, 9919380, 19838760]

約数ペア:

[(1, 19838760), (2, 9919380), (3, 6612920), (4, 4959690), (5, 3967752), (6, 3306460), (8, 2479845), (10, 1983876), (12, 1653230), (15, 1322584), (20, 991938), (24, 826615), (30, 661292), (31, 639960), (40, 495969), (60, 330646), (62, 319980), (93, 213320), (120, 165323), (124, 159990), (155, 127992), (186, 106660), (248, 79995), (310, 63996), (372, 53330), (465, 42664), (620, 31998), (744, 26665), (930, 21332), (1240, 15999), (1860, 10666), (3720, 5333)]