1919707490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{887}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 3797798400

約数和(自身を除く): 1878090910

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 439, 493, 878, 887, 986, 1774, 2195, 2465, 4390, 4435, 4930, 7463, 8870, 12731, 14926, 15079, 25462, 25723, 30158, 37315, 51446, 63655, 74630, 75395, 127310, 128615, 150790, 216427, 257230, 389393, 432854, 437291, 778786, 874582, 1082135, 1946965, 2164270, 2186455, 3893930, 4372910, 6619681, 11292397, 13239362, 22584794, 33098405, 56461985, 66196810, 112923970, 191970749, 383941498, 959853745, 1919707490]

約数ペア:

[(1, 1919707490), (2, 959853745), (5, 383941498), (10, 191970749), (17, 112923970), (29, 66196810), (34, 56461985), (58, 33098405), (85, 22584794), (145, 13239362), (170, 11292397), (290, 6619681), (439, 4372910), (493, 3893930), (878, 2186455), (887, 2164270), (986, 1946965), (1774, 1082135), (2195, 874582), (2465, 778786), (4390, 437291), (4435, 432854), (4930, 389393), (7463, 257230), (8870, 216427), (12731, 150790), (14926, 128615), (15079, 127310), (25462, 75395), (25723, 74630), (30158, 63655), (37315, 51446)]