19436396

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 40627776

約数和(自身を除く): 21191380

約数列:

[1, 2, 4, 7, 14, 28, 37, 73, 74, 146, 148, 257, 259, 292, 511, 514, 518, 1022, 1028, 1036, 1799, 2044, 2701, 3598, 5402, 7196, 9509, 10804, 18761, 18907, 19018, 37522, 37814, 38036, 66563, 75044, 75628, 131327, 133126, 262654, 266252, 525308, 694157, 1388314, 2776628, 4859099, 9718198, 19436396]

約数ペア:

[(1, 19436396), (2, 9718198), (4, 4859099), (7, 2776628), (14, 1388314), (28, 694157), (37, 525308), (73, 266252), (74, 262654), (146, 133126), (148, 131327), (257, 75628), (259, 75044), (292, 66563), (511, 38036), (514, 37814), (518, 37522), (1022, 19018), (1028, 18907), (1036, 18761), (1799, 10804), (2044, 9509), (2701, 7196), (3598, 5402)]