19687490416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{11383}}^1$

素因数の和:11750

約数の個数: 80

約数和(自身を含む): 43093813248

約数和(自身を除く): 23406322832

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 317, 341, 496, 634, 682, 1268, 1364, 2536, 2728, 3487, 5072, 5456, 6974, 9827, 11383, 13948, 19654, 22766, 27896, 39308, 45532, 55792, 78616, 91064, 108097, 125213, 157232, 182128, 216194, 250426, 352873, 432388, 500852, 705746, 864776, 1001704, 1411492, 1729552, 2003408, 2822984, 3608411, 3881603, 5645968, 7216822, 7763206, 14433644, 15526412, 28867288, 31052824, 39692521, 57734576, 62105648, 79385042, 111860741, 158770084, 223721482, 317540168, 447442964, 635080336, 894885928, 1230468151, 1789771856, 2460936302, 4921872604, 9843745208, 19687490416]

約数ペア:

[(1, 19687490416), (2, 9843745208), (4, 4921872604), (8, 2460936302), (11, 1789771856), (16, 1230468151), (22, 894885928), (31, 635080336), (44, 447442964), (62, 317540168), (88, 223721482), (124, 158770084), (176, 111860741), (248, 79385042), (317, 62105648), (341, 57734576), (496, 39692521), (634, 31052824), (682, 28867288), (1268, 15526412), (1364, 14433644), (2536, 7763206), (2728, 7216822), (3487, 5645968), (5072, 3881603), (5456, 3608411), (6974, 2822984), (9827, 2003408), (11383, 1729552), (13948, 1411492), (19654, 1001704), (22766, 864776), (27896, 705746), (39308, 500852), (45532, 432388), (55792, 352873), (78616, 250426), (91064, 216194), (108097, 182128), (125213, 157232)]