19303856

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 90

約数和(自身を含む): 45270540

約数和(自身を除く): 25966684

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 59, 88, 104, 118, 121, 143, 169, 176, 208, 236, 242, 286, 338, 472, 484, 572, 649, 676, 767, 944, 968, 1144, 1298, 1352, 1534, 1573, 1859, 1936, 2288, 2596, 2704, 3068, 3146, 3718, 5192, 6136, 6292, 7139, 7436, 8437, 9971, 10384, 12272, 12584, 14278, 14872, 16874, 19942, 20449, 25168, 28556, 29744, 33748, 39884, 40898, 57112, 67496, 79768, 81796, 92807, 109681, 114224, 134992, 159536, 163592, 185614, 219362, 327184, 371228, 438724, 742456, 877448, 1206491, 1484912, 1754896, 2412982, 4825964, 9651928, 19303856]

約数ペア:

[(1, 19303856), (2, 9651928), (4, 4825964), (8, 2412982), (11, 1754896), (13, 1484912), (16, 1206491), (22, 877448), (26, 742456), (44, 438724), (52, 371228), (59, 327184), (88, 219362), (104, 185614), (118, 163592), (121, 159536), (143, 134992), (169, 114224), (176, 109681), (208, 92807), (236, 81796), (242, 79768), (286, 67496), (338, 57112), (472, 40898), (484, 39884), (572, 33748), (649, 29744), (676, 28556), (767, 25168), (944, 20449), (968, 19942), (1144, 16874), (1298, 14872), (1352, 14278), (1534, 12584), (1573, 12272), (1859, 10384), (1936, 9971), (2288, 8437), (2596, 7436), (2704, 7139), (3068, 6292), (3146, 6136), (3718, 5192)]