19418280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23117}}^1$

素因数の和:23138

約数の個数: 64

約数和(自身を含む): 66579840

約数和(自身を除く): 47161560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23117, 46234, 69351, 92468, 115585, 138702, 161819, 184936, 231170, 277404, 323638, 346755, 462340, 485457, 554808, 647276, 693510, 809095, 924680, 970914, 1294552, 1387020, 1618190, 1941828, 2427285, 2774040, 3236380, 3883656, 4854570, 6472760, 9709140, 19418280]

約数ペア:

[(1, 19418280), (2, 9709140), (3, 6472760), (4, 4854570), (5, 3883656), (6, 3236380), (7, 2774040), (8, 2427285), (10, 1941828), (12, 1618190), (14, 1387020), (15, 1294552), (20, 970914), (21, 924680), (24, 809095), (28, 693510), (30, 647276), (35, 554808), (40, 485457), (42, 462340), (56, 346755), (60, 323638), (70, 277404), (84, 231170), (105, 184936), (120, 161819), (140, 138702), (168, 115585), (210, 92468), (280, 69351), (420, 46234), (840, 23117)]