19893692

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 46362624

約数和(自身を除く): 26468932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 41, 43, 52, 62, 82, 86, 91, 124, 164, 172, 182, 217, 287, 301, 364, 403, 434, 533, 559, 574, 602, 806, 868, 1066, 1118, 1148, 1204, 1271, 1333, 1612, 1763, 2132, 2236, 2542, 2666, 2821, 3526, 3731, 3913, 5084, 5332, 5642, 7052, 7462, 7826, 8897, 9331, 11284, 12341, 14924, 15652, 16523, 17329, 17794, 18662, 22919, 24682, 33046, 34658, 35588, 37324, 45838, 49364, 54653, 66092, 69316, 91676, 109306, 115661, 121303, 160433, 218612, 231322, 242606, 320866, 382571, 462644, 485212, 641732, 710489, 765142, 1420978, 1530284, 2841956, 4973423, 9946846, 19893692]

約数ペア:

[(1, 19893692), (2, 9946846), (4, 4973423), (7, 2841956), (13, 1530284), (14, 1420978), (26, 765142), (28, 710489), (31, 641732), (41, 485212), (43, 462644), (52, 382571), (62, 320866), (82, 242606), (86, 231322), (91, 218612), (124, 160433), (164, 121303), (172, 115661), (182, 109306), (217, 91676), (287, 69316), (301, 66092), (364, 54653), (403, 49364), (434, 45838), (533, 37324), (559, 35588), (574, 34658), (602, 33046), (806, 24682), (868, 22919), (1066, 18662), (1118, 17794), (1148, 17329), (1204, 16523), (1271, 15652), (1333, 14924), (1612, 12341), (1763, 11284), (2132, 9331), (2236, 8897), (2542, 7826), (2666, 7462), (2821, 7052), (3526, 5642), (3731, 5332), (3913, 5084)]