19089279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 31917600

約数和(自身を除く): 12828321

約数列:

[1, 3, 9, 11, 29, 33, 61, 87, 99, 109, 183, 261, 319, 327, 549, 671, 957, 981, 1199, 1769, 2013, 2871, 3161, 3597, 5307, 6039, 6649, 9483, 10791, 15921, 19459, 19947, 28449, 34771, 58377, 59841, 73139, 104313, 175131, 192821, 219417, 312939, 578463, 658251, 1735389, 2121031, 6363093, 19089279]

約数ペア:

[(1, 19089279), (3, 6363093), (9, 2121031), (11, 1735389), (29, 658251), (33, 578463), (61, 312939), (87, 219417), (99, 192821), (109, 175131), (183, 104313), (261, 73139), (319, 59841), (327, 58377), (549, 34771), (671, 28449), (957, 19947), (981, 19459), (1199, 15921), (1769, 10791), (2013, 9483), (2871, 6649), (3161, 6039), (3597, 5307)]