18956756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 42994560

約数和(自身を除く): 24037804

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2741, 3458, 5482, 6916, 10964, 19187, 35633, 38374, 52079, 71266, 76748, 104158, 142532, 208316, 249431, 364553, 498862, 677027, 729106, 997724, 1354054, 1458212, 2708108, 4739189, 9478378, 18956756]

約数ペア:

[(1, 18956756), (2, 9478378), (4, 4739189), (7, 2708108), (13, 1458212), (14, 1354054), (19, 997724), (26, 729106), (28, 677027), (38, 498862), (52, 364553), (76, 249431), (91, 208316), (133, 142532), (182, 104158), (247, 76748), (266, 71266), (364, 52079), (494, 38374), (532, 35633), (988, 19187), (1729, 10964), (2741, 6916), (3458, 5482)]