18916488

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{11423}}^1$

素因数の和:11458

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 34547832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 11423, 22846, 34269, 45692, 68538, 91384, 102807, 137076, 205614, 262729, 274152, 411228, 525458, 788187, 822456, 1050916, 1576374, 2101832, 2364561, 3152748, 4729122, 6305496, 9458244, 18916488]

約数ペア:

[(1, 18916488), (2, 9458244), (3, 6305496), (4, 4729122), (6, 3152748), (8, 2364561), (9, 2101832), (12, 1576374), (18, 1050916), (23, 822456), (24, 788187), (36, 525458), (46, 411228), (69, 274152), (72, 262729), (92, 205614), (138, 137076), (184, 102807), (207, 91384), (276, 68538), (414, 45692), (552, 34269), (828, 22846), (1656, 11423)]