19815432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 62684160

約数和(自身を除く): 42868728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 52, 56, 78, 84, 86, 91, 104, 129, 156, 168, 172, 182, 211, 258, 273, 301, 312, 344, 364, 422, 516, 546, 559, 602, 633, 728, 844, 903, 1032, 1092, 1118, 1204, 1266, 1477, 1677, 1688, 1806, 2184, 2236, 2408, 2532, 2743, 2954, 3354, 3612, 3913, 4431, 4472, 5064, 5486, 5908, 6708, 7224, 7826, 8229, 8862, 9073, 10972, 11739, 11816, 13416, 15652, 16458, 17724, 18146, 19201, 21944, 23478, 27219, 31304, 32916, 35448, 36292, 38402, 46956, 54438, 57603, 63511, 65832, 72584, 76804, 93912, 108876, 115206, 117949, 127022, 153608, 190533, 217752, 230412, 235898, 254044, 353847, 381066, 460824, 471796, 508088, 707694, 762132, 825643, 943592, 1415388, 1524264, 1651286, 2476929, 2830776, 3302572, 4953858, 6605144, 9907716, 19815432]

約数ペア:

[(1, 19815432), (2, 9907716), (3, 6605144), (4, 4953858), (6, 3302572), (7, 2830776), (8, 2476929), (12, 1651286), (13, 1524264), (14, 1415388), (21, 943592), (24, 825643), (26, 762132), (28, 707694), (39, 508088), (42, 471796), (43, 460824), (52, 381066), (56, 353847), (78, 254044), (84, 235898), (86, 230412), (91, 217752), (104, 190533), (129, 153608), (156, 127022), (168, 117949), (172, 115206), (182, 108876), (211, 93912), (258, 76804), (273, 72584), (301, 65832), (312, 63511), (344, 57603), (364, 54438), (422, 46956), (516, 38402), (546, 36292), (559, 35448), (602, 32916), (633, 31304), (728, 27219), (844, 23478), (903, 21944), (1032, 19201), (1092, 18146), (1118, 17724), (1204, 16458), (1266, 15652), (1477, 13416), (1677, 11816), (1688, 11739), (1806, 10972), (2184, 9073), (2236, 8862), (2408, 8229), (2532, 7826), (2743, 7224), (2954, 6708), (3354, 5908), (3612, 5486), (3913, 5064), (4431, 4472)]