19646528

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 84

約数和(自身を含む): 44592240

約数和(自身を除く): 24945712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 59, 64, 86, 88, 118, 121, 172, 176, 236, 242, 344, 352, 472, 473, 484, 649, 688, 704, 944, 946, 968, 1298, 1376, 1888, 1892, 1936, 2537, 2596, 2752, 3776, 3784, 3872, 5074, 5192, 5203, 7139, 7568, 7744, 10148, 10384, 10406, 14278, 15136, 20296, 20768, 20812, 27907, 28556, 30272, 40592, 41536, 41624, 55814, 57112, 81184, 83248, 111628, 114224, 162368, 166496, 223256, 228448, 306977, 332992, 446512, 456896, 613954, 893024, 1227908, 1786048, 2455816, 4911632, 9823264, 19646528]

約数ペア:

[(1, 19646528), (2, 9823264), (4, 4911632), (8, 2455816), (11, 1786048), (16, 1227908), (22, 893024), (32, 613954), (43, 456896), (44, 446512), (59, 332992), (64, 306977), (86, 228448), (88, 223256), (118, 166496), (121, 162368), (172, 114224), (176, 111628), (236, 83248), (242, 81184), (344, 57112), (352, 55814), (472, 41624), (473, 41536), (484, 40592), (649, 30272), (688, 28556), (704, 27907), (944, 20812), (946, 20768), (968, 20296), (1298, 15136), (1376, 14278), (1888, 10406), (1892, 10384), (1936, 10148), (2537, 7744), (2596, 7568), (2752, 7139), (3776, 5203), (3784, 5192), (3872, 5074)]