18941923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 6862877

約数列:

[1, 7, 11, 13, 77, 91, 127, 143, 149, 889, 1001, 1043, 1397, 1639, 1651, 1937, 9779, 11473, 11557, 13559, 18161, 18923, 21307, 127127, 132461, 149149, 208153, 245999, 1457071, 1721993, 2705989, 18941923]

約数ペア:

[(1, 18941923), (7, 2705989), (11, 1721993), (13, 1457071), (77, 245999), (91, 208153), (127, 149149), (143, 132461), (149, 127127), (889, 21307), (1001, 18923), (1043, 18161), (1397, 13559), (1639, 11557), (1651, 11473), (1937, 9779)]