19816488

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 56649780

約数和(自身を除く): 36833292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 577, 636, 648, 954, 1154, 1272, 1431, 1731, 1908, 2308, 2862, 3462, 3816, 4293, 4616, 5193, 5724, 6924, 8586, 10386, 11448, 13848, 15579, 17172, 20772, 30581, 31158, 34344, 41544, 46737, 61162, 62316, 91743, 93474, 122324, 124632, 183486, 186948, 244648, 275229, 366972, 373896, 550458, 733944, 825687, 1100916, 1651374, 2201832, 2477061, 3302748, 4954122, 6605496, 9908244, 19816488]

約数ペア:

[(1, 19816488), (2, 9908244), (3, 6605496), (4, 4954122), (6, 3302748), (8, 2477061), (9, 2201832), (12, 1651374), (18, 1100916), (24, 825687), (27, 733944), (36, 550458), (53, 373896), (54, 366972), (72, 275229), (81, 244648), (106, 186948), (108, 183486), (159, 124632), (162, 122324), (212, 93474), (216, 91743), (318, 62316), (324, 61162), (424, 46737), (477, 41544), (577, 34344), (636, 31158), (648, 30581), (954, 20772), (1154, 17172), (1272, 15579), (1431, 13848), (1731, 11448), (1908, 10386), (2308, 8586), (2862, 6924), (3462, 5724), (3816, 5193), (4293, 4616)]