19108803

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11303997

約数列:

[1, 3, 7, 21, 31, 93, 149, 197, 217, 447, 591, 651, 1043, 1379, 3129, 4137, 4619, 6107, 13857, 18321, 29353, 32333, 42749, 88059, 96999, 128247, 205471, 616413, 909943, 2729829, 6369601, 19108803]

約数ペア:

[(1, 19108803), (3, 6369601), (7, 2729829), (21, 909943), (31, 616413), (93, 205471), (149, 128247), (197, 96999), (217, 88059), (447, 42749), (591, 32333), (651, 29353), (1043, 18321), (1379, 13857), (3129, 6107), (4137, 4619)]