19020057

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 11835111

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 743, 1113, 1219, 2229, 3657, 5201, 8533, 15603, 17089, 25599, 39379, 51267, 118137, 119623, 275653, 358869, 826959, 905717, 2717151, 6340019, 19020057]

約数ペア:

[(1, 19020057), (3, 6340019), (7, 2717151), (21, 905717), (23, 826959), (53, 358869), (69, 275653), (159, 119623), (161, 118137), (371, 51267), (483, 39379), (743, 25599), (1113, 17089), (1219, 15603), (2229, 8533), (3657, 5201)]