19566876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 34211940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 311, 321, 428, 588, 622, 642, 749, 933, 1244, 1284, 1498, 1866, 2177, 2247, 2996, 3732, 4354, 4494, 5243, 6531, 8708, 8988, 10486, 13062, 15239, 15729, 20972, 26124, 30478, 31458, 33277, 45717, 60956, 62916, 66554, 91434, 99831, 133108, 182868, 199662, 232939, 399324, 465878, 698817, 931756, 1397634, 1630573, 2795268, 3261146, 4891719, 6522292, 9783438, 19566876]

約数ペア:

[(1, 19566876), (2, 9783438), (3, 6522292), (4, 4891719), (6, 3261146), (7, 2795268), (12, 1630573), (14, 1397634), (21, 931756), (28, 698817), (42, 465878), (49, 399324), (84, 232939), (98, 199662), (107, 182868), (147, 133108), (196, 99831), (214, 91434), (294, 66554), (311, 62916), (321, 60956), (428, 45717), (588, 33277), (622, 31458), (642, 30478), (749, 26124), (933, 20972), (1244, 15729), (1284, 15239), (1498, 13062), (1866, 10486), (2177, 8988), (2247, 8708), (2996, 6531), (3732, 5243), (4354, 4494)]