19948344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3761}}^1$

素因数の和:3800

約数の個数: 64

約数和(自身を含む): 56881440

約数和(自身を除く): 36933096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 3761, 5304, 7522, 11283, 15044, 22566, 30088, 45132, 48893, 63937, 90264, 97786, 127874, 146679, 191811, 195572, 255748, 293358, 383622, 391144, 511496, 586716, 767244, 831181, 1173432, 1534488, 1662362, 2493543, 3324724, 4987086, 6649448, 9974172, 19948344]

約数ペア:

[(1, 19948344), (2, 9974172), (3, 6649448), (4, 4987086), (6, 3324724), (8, 2493543), (12, 1662362), (13, 1534488), (17, 1173432), (24, 831181), (26, 767244), (34, 586716), (39, 511496), (51, 391144), (52, 383622), (68, 293358), (78, 255748), (102, 195572), (104, 191811), (136, 146679), (156, 127874), (204, 97786), (221, 90264), (312, 63937), (408, 48893), (442, 45132), (663, 30088), (884, 22566), (1326, 15044), (1768, 11283), (2652, 7522), (3761, 5304)]