19821017645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{27529}}^1$

素因数の和:27630

約数の個数: 64

約数和(自身を含む): 29970259200

約数和(自身を除く): 10149241555

約数列:

[1, 5, 11, 13, 19, 53, 55, 65, 95, 143, 209, 247, 265, 583, 689, 715, 1007, 1045, 1235, 2717, 2915, 3445, 5035, 7579, 11077, 13091, 13585, 27529, 37895, 55385, 65455, 137645, 144001, 302819, 357877, 523051, 720005, 1459037, 1514095, 1789385, 2615255, 3936647, 5753561, 6799663, 7295185, 16049407, 18967481, 19683235, 27721703, 28767805, 33998315, 74796293, 80247035, 94837405, 138608515, 208642291, 304938733, 360382139, 373981465, 1043211455, 1524693665, 1801910695, 3964203529, 19821017645]

約数ペア:

[(1, 19821017645), (5, 3964203529), (11, 1801910695), (13, 1524693665), (19, 1043211455), (53, 373981465), (55, 360382139), (65, 304938733), (95, 208642291), (143, 138608515), (209, 94837405), (247, 80247035), (265, 74796293), (583, 33998315), (689, 28767805), (715, 27721703), (1007, 19683235), (1045, 18967481), (1235, 16049407), (2717, 7295185), (2915, 6799663), (3445, 5753561), (5035, 3936647), (7579, 2615255), (11077, 1789385), (13091, 1514095), (13585, 1459037), (27529, 720005), (37895, 523051), (55385, 357877), (65455, 302819), (137645, 144001)]