18710445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 13747155

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 419, 687, 1145, 1257, 2095, 2977, 3435, 5447, 6285, 8931, 14885, 16341, 27235, 44655, 81705, 95951, 287853, 479755, 1247363, 1439265, 3742089, 6236815, 18710445]

約数ペア:

[(1, 18710445), (3, 6236815), (5, 3742089), (13, 1439265), (15, 1247363), (39, 479755), (65, 287853), (195, 95951), (229, 81705), (419, 44655), (687, 27235), (1145, 16341), (1257, 14885), (2095, 8931), (2977, 6285), (3435, 5447)]