19699289324

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{2531}}^1$

素因数の和:3807

約数の個数: 72

約数和(自身を含む): 40856584944

約数和(自身を除く): 21157295620

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1237, 1573, 2474, 2531, 3146, 4948, 5062, 6292, 10124, 13607, 16081, 27214, 27841, 32162, 32903, 54428, 55682, 64324, 65806, 111364, 131612, 149677, 176891, 299354, 306251, 353782, 361933, 598708, 612502, 707564, 723866, 1225004, 1447732, 1945801, 3130847, 3891602, 3981263, 6261694, 7783204, 7962526, 12523388, 15925052, 34439317, 40701011, 68878634, 81402022, 137757268, 162804044, 378832487, 447711121, 757664974, 895422242, 1515329948, 1790844484, 4924822331, 9849644662, 19699289324]

約数ペア:

[(1, 19699289324), (2, 9849644662), (4, 4924822331), (11, 1790844484), (13, 1515329948), (22, 895422242), (26, 757664974), (44, 447711121), (52, 378832487), (121, 162804044), (143, 137757268), (242, 81402022), (286, 68878634), (484, 40701011), (572, 34439317), (1237, 15925052), (1573, 12523388), (2474, 7962526), (2531, 7783204), (3146, 6261694), (4948, 3981263), (5062, 3891602), (6292, 3130847), (10124, 1945801), (13607, 1447732), (16081, 1225004), (27214, 723866), (27841, 707564), (32162, 612502), (32903, 598708), (54428, 361933), (55682, 353782), (64324, 306251), (65806, 299354), (111364, 176891), (131612, 149677)]