19465628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 42759360

約数和(自身を除く): 23293732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1009, 1378, 1484, 2018, 2756, 4036, 4823, 7063, 9646, 13117, 14126, 19292, 26234, 28252, 52468, 53477, 91819, 106954, 183638, 213908, 367276, 374339, 695201, 748678, 1390402, 1497356, 2780804, 4866407, 9732814, 19465628]

約数ペア:

[(1, 19465628), (2, 9732814), (4, 4866407), (7, 2780804), (13, 1497356), (14, 1390402), (26, 748678), (28, 695201), (52, 374339), (53, 367276), (91, 213908), (106, 183638), (182, 106954), (212, 91819), (364, 53477), (371, 52468), (689, 28252), (742, 26234), (1009, 19292), (1378, 14126), (1484, 13117), (2018, 9646), (2756, 7063), (4036, 4823)]