19881466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 35808480

約数和(自身を除く): 15927014

約数列:

[1, 2, 11, 17, 22, 34, 53, 59, 106, 118, 187, 289, 374, 578, 583, 649, 901, 1003, 1166, 1298, 1802, 2006, 3127, 3179, 6254, 6358, 9911, 11033, 15317, 17051, 19822, 22066, 30634, 34102, 34397, 53159, 68794, 106318, 168487, 187561, 336974, 375122, 584749, 903703, 1169498, 1807406, 9940733, 19881466]

約数ペア:

[(1, 19881466), (2, 9940733), (11, 1807406), (17, 1169498), (22, 903703), (34, 584749), (53, 375122), (59, 336974), (106, 187561), (118, 168487), (187, 106318), (289, 68794), (374, 53159), (578, 34397), (583, 34102), (649, 30634), (901, 22066), (1003, 19822), (1166, 17051), (1298, 15317), (1802, 11033), (2006, 9911), (3127, 6358), (3179, 6254)]