19957464

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2543}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 54568800

約数和(自身を除く): 34611336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2543, 2616, 3924, 5086, 7629, 7848, 10172, 15258, 20344, 22887, 30516, 45774, 61032, 91548, 183096, 277187, 554374, 831561, 1108748, 1663122, 2217496, 2494683, 3326244, 4989366, 6652488, 9978732, 19957464]

約数ペア:

[(1, 19957464), (2, 9978732), (3, 6652488), (4, 4989366), (6, 3326244), (8, 2494683), (9, 2217496), (12, 1663122), (18, 1108748), (24, 831561), (36, 554374), (72, 277187), (109, 183096), (218, 91548), (327, 61032), (436, 45774), (654, 30516), (872, 22887), (981, 20344), (1308, 15258), (1962, 10172), (2543, 7848), (2616, 7629), (3924, 5086)]