19405680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11551}}^1$

素因数の和:11574

約数の個数: 80

約数和(自身を含む): 68757504

約数和(自身を除く): 49351824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11551, 23102, 34653, 46204, 57755, 69306, 80857, 92408, 115510, 138612, 161714, 173265, 184816, 231020, 242571, 277224, 323428, 346530, 404285, 462040, 485142, 554448, 646856, 693060, 808570, 924080, 970284, 1212855, 1293712, 1386120, 1617140, 1940568, 2425710, 2772240, 3234280, 3881136, 4851420, 6468560, 9702840, 19405680]

約数ペア:

[(1, 19405680), (2, 9702840), (3, 6468560), (4, 4851420), (5, 3881136), (6, 3234280), (7, 2772240), (8, 2425710), (10, 1940568), (12, 1617140), (14, 1386120), (15, 1293712), (16, 1212855), (20, 970284), (21, 924080), (24, 808570), (28, 693060), (30, 646856), (35, 554448), (40, 485142), (42, 462040), (48, 404285), (56, 346530), (60, 323428), (70, 277224), (80, 242571), (84, 231020), (105, 184816), (112, 173265), (120, 161714), (140, 138612), (168, 115510), (210, 92408), (240, 80857), (280, 69306), (336, 57755), (420, 46204), (560, 34653), (840, 23102), (1680, 11551)]