17968703560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{60779}}^1$

素因数の和:61198

約数の個数: 64

約数和(自身を含む): 42667560000

約数和(自身を除く): 24698856440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 389, 760, 778, 1556, 1945, 3112, 3890, 7391, 7780, 14782, 15560, 29564, 36955, 59128, 60779, 73910, 121558, 147820, 243116, 295640, 303895, 486232, 607790, 1154801, 1215580, 2309602, 2431160, 4619204, 5774005, 9238408, 11548010, 23096020, 23643031, 46192040, 47286062, 94572124, 118215155, 189144248, 236430310, 449217589, 472860620, 898435178, 945721240, 1796870356, 2246087945, 3593740712, 4492175890, 8984351780, 17968703560]

約数ペア:

[(1, 17968703560), (2, 8984351780), (4, 4492175890), (5, 3593740712), (8, 2246087945), (10, 1796870356), (19, 945721240), (20, 898435178), (38, 472860620), (40, 449217589), (76, 236430310), (95, 189144248), (152, 118215155), (190, 94572124), (380, 47286062), (389, 46192040), (760, 23643031), (778, 23096020), (1556, 11548010), (1945, 9238408), (3112, 5774005), (3890, 4619204), (7391, 2431160), (7780, 2309602), (14782, 1215580), (15560, 1154801), (29564, 607790), (36955, 486232), (59128, 303895), (60779, 295640), (73910, 243116), (121558, 147820)]