19925724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 58254336

約数和(自身を除く): 38328612

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 71, 78, 84, 91, 142, 156, 182, 213, 257, 273, 284, 364, 426, 497, 514, 546, 771, 852, 923, 994, 1028, 1092, 1491, 1542, 1799, 1846, 1988, 2769, 2982, 3084, 3341, 3598, 3692, 5397, 5538, 5964, 6461, 6682, 7196, 10023, 10794, 11076, 12922, 13364, 18247, 19383, 20046, 21588, 23387, 25844, 36494, 38766, 40092, 46774, 54741, 70161, 72988, 77532, 93548, 109482, 127729, 140322, 218964, 237211, 255458, 280644, 383187, 474422, 510916, 711633, 766374, 948844, 1423266, 1532748, 1660477, 2846532, 3320954, 4981431, 6641908, 9962862, 19925724]

約数ペア:

[(1, 19925724), (2, 9962862), (3, 6641908), (4, 4981431), (6, 3320954), (7, 2846532), (12, 1660477), (13, 1532748), (14, 1423266), (21, 948844), (26, 766374), (28, 711633), (39, 510916), (42, 474422), (52, 383187), (71, 280644), (78, 255458), (84, 237211), (91, 218964), (142, 140322), (156, 127729), (182, 109482), (213, 93548), (257, 77532), (273, 72988), (284, 70161), (364, 54741), (426, 46774), (497, 40092), (514, 38766), (546, 36494), (771, 25844), (852, 23387), (923, 21588), (994, 20046), (1028, 19383), (1092, 18247), (1491, 13364), (1542, 12922), (1799, 11076), (1846, 10794), (1988, 10023), (2769, 7196), (2982, 6682), (3084, 6461), (3341, 5964), (3598, 5538), (3692, 5397)]