19876560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7529}}^1$

素因数の和:7556

約数の個数: 80

約数和(自身を含む): 67227840

約数和(自身を除く): 47351280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7529, 15058, 22587, 30116, 37645, 45174, 60232, 75290, 82819, 90348, 112935, 120464, 150580, 165638, 180696, 225870, 248457, 301160, 331276, 361392, 414095, 451740, 496914, 602320, 662552, 828190, 903480, 993828, 1242285, 1325104, 1656380, 1806960, 1987656, 2484570, 3312760, 3975312, 4969140, 6625520, 9938280, 19876560]

約数ペア:

[(1, 19876560), (2, 9938280), (3, 6625520), (4, 4969140), (5, 3975312), (6, 3312760), (8, 2484570), (10, 1987656), (11, 1806960), (12, 1656380), (15, 1325104), (16, 1242285), (20, 993828), (22, 903480), (24, 828190), (30, 662552), (33, 602320), (40, 496914), (44, 451740), (48, 414095), (55, 361392), (60, 331276), (66, 301160), (80, 248457), (88, 225870), (110, 180696), (120, 165638), (132, 150580), (165, 120464), (176, 112935), (220, 90348), (240, 82819), (264, 75290), (330, 60232), (440, 45174), (528, 37645), (660, 30116), (880, 22587), (1320, 15058), (2640, 7529)]