19815570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 33752430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 929, 1185, 1422, 1858, 2133, 2370, 2787, 3555, 4266, 4645, 5574, 7110, 8361, 9290, 10665, 13935, 16722, 21330, 25083, 27870, 41805, 50166, 73391, 83610, 125415, 146782, 220173, 250830, 366955, 440346, 660519, 733910, 1100865, 1321038, 1981557, 2201730, 3302595, 3963114, 6605190, 9907785, 19815570]

約数ペア:

[(1, 19815570), (2, 9907785), (3, 6605190), (5, 3963114), (6, 3302595), (9, 2201730), (10, 1981557), (15, 1321038), (18, 1100865), (27, 733910), (30, 660519), (45, 440346), (54, 366955), (79, 250830), (90, 220173), (135, 146782), (158, 125415), (237, 83610), (270, 73391), (395, 50166), (474, 41805), (711, 27870), (790, 25083), (929, 21330), (1185, 16722), (1422, 13935), (1858, 10665), (2133, 9290), (2370, 8361), (2787, 7110), (3555, 5574), (4266, 4645)]