19755736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2504

約数の個数: 64

約数和(自身を含む): 49754880

約数和(自身を除く): 29999144

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2467, 4004, 4934, 8008, 9868, 17269, 19736, 27137, 32071, 34538, 54274, 64142, 69076, 108548, 128284, 138152, 189959, 217096, 224497, 256568, 352781, 379918, 448994, 705562, 759836, 897988, 1411124, 1519672, 1795976, 2469467, 2822248, 4938934, 9877868, 19755736]

約数ペア:

[(1, 19755736), (2, 9877868), (4, 4938934), (7, 2822248), (8, 2469467), (11, 1795976), (13, 1519672), (14, 1411124), (22, 897988), (26, 759836), (28, 705562), (44, 448994), (52, 379918), (56, 352781), (77, 256568), (88, 224497), (91, 217096), (104, 189959), (143, 138152), (154, 128284), (182, 108548), (286, 69076), (308, 64142), (364, 54274), (572, 34538), (616, 32071), (728, 27137), (1001, 19736), (1144, 17269), (2002, 9868), (2467, 8008), (4004, 4934)]