18790419645

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{1201}}^1$

素因数の和:1891

約数の個数: 96

約数和(自身を含む): 35552275200

約数和(自身を除く): 16761855555

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 631, 855, 1201, 1305, 1653, 1893, 2755, 3155, 3603, 4959, 5679, 6005, 8265, 9465, 10809, 11989, 18015, 18299, 22819, 24795, 28395, 34829, 35967, 54045, 54897, 59945, 68457, 91495, 104487, 107901, 114095, 164691, 174145, 179835, 205371, 274485, 313461, 342285, 347681, 522435, 539505, 661751, 757831, 823455, 1026855, 1043043, 1567305, 1738405, 1985253, 2273493, 3129129, 3308755, 3789155, 5215215, 5955759, 6820479, 9926265, 11367465, 14398789, 15645645, 21977099, 29778795, 34102395, 43196367, 65931297, 71993945, 109885495, 129589101, 197793891, 215981835, 329656485, 417564881, 647945505, 988969455, 1252694643, 2087824405, 3758083929, 6263473215, 18790419645]

約数ペア:

[(1, 18790419645), (3, 6263473215), (5, 3758083929), (9, 2087824405), (15, 1252694643), (19, 988969455), (29, 647945505), (45, 417564881), (57, 329656485), (87, 215981835), (95, 197793891), (145, 129589101), (171, 109885495), (261, 71993945), (285, 65931297), (435, 43196367), (551, 34102395), (631, 29778795), (855, 21977099), (1201, 15645645), (1305, 14398789), (1653, 11367465), (1893, 9926265), (2755, 6820479), (3155, 5955759), (3603, 5215215), (4959, 3789155), (5679, 3308755), (6005, 3129129), (8265, 2273493), (9465, 1985253), (10809, 1738405), (11989, 1567305), (18015, 1043043), (18299, 1026855), (22819, 823455), (24795, 757831), (28395, 661751), (34829, 539505), (35967, 522435), (54045, 347681), (54897, 342285), (59945, 313461), (68457, 274485), (91495, 205371), (104487, 179835), (107901, 174145), (114095, 164691)]