19043115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 38189088

約数和(自身を除く): 19145973

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 1993, 3185, 5979, 9555, 9965, 13951, 25909, 29895, 41853, 69755, 77727, 97657, 129545, 181363, 209265, 292971, 388635, 488285, 544089, 906815, 1269541, 1464855, 2720445, 3808623, 6347705, 19043115]

約数ペア:

[(1, 19043115), (3, 6347705), (5, 3808623), (7, 2720445), (13, 1464855), (15, 1269541), (21, 906815), (35, 544089), (39, 488285), (49, 388635), (65, 292971), (91, 209265), (105, 181363), (147, 129545), (195, 97657), (245, 77727), (273, 69755), (455, 41853), (637, 29895), (735, 25909), (1365, 13951), (1911, 9965), (1993, 9555), (3185, 5979)]