19301205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 40808448

約数和(自身を除く): 21507243

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 385, 561, 595, 935, 983, 1155, 1309, 1785, 2805, 2949, 3927, 4915, 6545, 6881, 10813, 14745, 16711, 19635, 20643, 32439, 34405, 50133, 54065, 75691, 83555, 103215, 116977, 162195, 183821, 227073, 250665, 350931, 378455, 551463, 584885, 919105, 1135365, 1286747, 1754655, 2757315, 3860241, 6433735, 19301205]

約数ペア:

[(1, 19301205), (3, 6433735), (5, 3860241), (7, 2757315), (11, 1754655), (15, 1286747), (17, 1135365), (21, 919105), (33, 584885), (35, 551463), (51, 378455), (55, 350931), (77, 250665), (85, 227073), (105, 183821), (119, 162195), (165, 116977), (187, 103215), (231, 83555), (255, 75691), (357, 54065), (385, 50133), (561, 34405), (595, 32439), (935, 20643), (983, 19635), (1155, 16711), (1309, 14745), (1785, 10813), (2805, 6881), (2949, 6545), (3927, 4915)]