16937740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 39508560

約数和(自身を除く): 22570820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 53, 58, 76, 95, 106, 116, 145, 190, 212, 265, 290, 380, 530, 551, 580, 841, 1007, 1060, 1102, 1537, 1682, 2014, 2204, 2755, 3074, 3364, 4028, 4205, 5035, 5510, 6148, 7685, 8410, 10070, 11020, 15370, 15979, 16820, 20140, 29203, 30740, 31958, 44573, 58406, 63916, 79895, 89146, 116812, 146015, 159790, 178292, 222865, 292030, 319580, 445730, 584060, 846887, 891460, 1693774, 3387548, 4234435, 8468870, 16937740]

約数ペア:

[(1, 16937740), (2, 8468870), (4, 4234435), (5, 3387548), (10, 1693774), (19, 891460), (20, 846887), (29, 584060), (38, 445730), (53, 319580), (58, 292030), (76, 222865), (95, 178292), (106, 159790), (116, 146015), (145, 116812), (190, 89146), (212, 79895), (265, 63916), (290, 58406), (380, 44573), (530, 31958), (551, 30740), (580, 29203), (841, 20140), (1007, 16820), (1060, 15979), (1102, 15370), (1537, 11020), (1682, 10070), (2014, 8410), (2204, 7685), (2755, 6148), (3074, 5510), (3364, 5035), (4028, 4205)]