18621954

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 27100926

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 82, 117, 123, 234, 246, 351, 369, 533, 647, 702, 738, 1066, 1107, 1294, 1599, 1941, 2214, 3198, 3882, 4797, 5823, 8411, 9594, 11646, 14391, 16822, 17469, 25233, 26527, 28782, 34938, 50466, 53054, 75699, 79581, 151398, 159162, 227097, 238743, 344851, 454194, 477486, 689702, 716229, 1034553, 1432458, 2069106, 3103659, 6207318, 9310977, 18621954]

約数ペア:

[(1, 18621954), (2, 9310977), (3, 6207318), (6, 3103659), (9, 2069106), (13, 1432458), (18, 1034553), (26, 716229), (27, 689702), (39, 477486), (41, 454194), (54, 344851), (78, 238743), (82, 227097), (117, 159162), (123, 151398), (234, 79581), (246, 75699), (351, 53054), (369, 50466), (533, 34938), (647, 28782), (702, 26527), (738, 25233), (1066, 17469), (1107, 16822), (1294, 14391), (1599, 11646), (1941, 9594), (2214, 8411), (3198, 5823), (3882, 4797)]