19784280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{953}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 59758560

約数和(自身を除く): 39974280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 953, 1038, 1384, 1730, 1906, 2076, 2595, 2859, 3460, 3812, 4152, 4765, 5190, 5718, 6920, 7624, 9530, 10380, 11436, 14295, 19060, 20760, 22872, 28590, 38120, 57180, 114360, 164869, 329738, 494607, 659476, 824345, 989214, 1318952, 1648690, 1978428, 2473035, 3297380, 3956856, 4946070, 6594760, 9892140, 19784280]

約数ペア:

[(1, 19784280), (2, 9892140), (3, 6594760), (4, 4946070), (5, 3956856), (6, 3297380), (8, 2473035), (10, 1978428), (12, 1648690), (15, 1318952), (20, 989214), (24, 824345), (30, 659476), (40, 494607), (60, 329738), (120, 164869), (173, 114360), (346, 57180), (519, 38120), (692, 28590), (865, 22872), (953, 20760), (1038, 19060), (1384, 14295), (1730, 11436), (1906, 10380), (2076, 9530), (2595, 7624), (2859, 6920), (3460, 5718), (3812, 5190), (4152, 4765)]