19097672

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 39939900

約数和(自身を除く): 20842228

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 121, 181, 218, 242, 362, 436, 484, 724, 872, 968, 1199, 1448, 1991, 2398, 3982, 4796, 7964, 9592, 13189, 15928, 19729, 21901, 26378, 39458, 43802, 52756, 78916, 87604, 105512, 157832, 175208, 217019, 434038, 868076, 1736152, 2387209, 4774418, 9548836, 19097672]

約数ペア:

[(1, 19097672), (2, 9548836), (4, 4774418), (8, 2387209), (11, 1736152), (22, 868076), (44, 434038), (88, 217019), (109, 175208), (121, 157832), (181, 105512), (218, 87604), (242, 78916), (362, 52756), (436, 43802), (484, 39458), (724, 26378), (872, 21901), (968, 19729), (1199, 15928), (1448, 13189), (1991, 9592), (2398, 7964), (3982, 4796)]