19468179

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 32366880

約数和(自身を除く): 12898701

約数列:

[1, 3, 9, 17, 19, 37, 51, 57, 111, 153, 171, 181, 323, 333, 543, 629, 703, 969, 1629, 1887, 2109, 2907, 3077, 3439, 5661, 6327, 6697, 9231, 10317, 11951, 20091, 27693, 30951, 35853, 58463, 60273, 107559, 113849, 127243, 175389, 341547, 381729, 526167, 1024641, 1145187, 2163131, 6489393, 19468179]

約数ペア:

[(1, 19468179), (3, 6489393), (9, 2163131), (17, 1145187), (19, 1024641), (37, 526167), (51, 381729), (57, 341547), (111, 175389), (153, 127243), (171, 113849), (181, 107559), (323, 60273), (333, 58463), (543, 35853), (629, 30951), (703, 27693), (969, 20091), (1629, 11951), (1887, 10317), (2109, 9231), (2907, 6697), (3077, 6327), (3439, 5661)]