18778839090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{216371}}^1$

素因数の和:216655

約数の個数: 64

約数和(自身を含む): 49353587712

約数和(自身を除く): 30574748622

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 263, 330, 526, 789, 1315, 1578, 2630, 2893, 3945, 5786, 7890, 8679, 14465, 17358, 28930, 43395, 86790, 216371, 432742, 649113, 1081855, 1298226, 2163710, 2380081, 3245565, 4760162, 6491130, 7140243, 11900405, 14280486, 23800810, 35701215, 56905573, 71402430, 113811146, 170716719, 284527865, 341433438, 569055730, 625961303, 853583595, 1251922606, 1707167190, 1877883909, 3129806515, 3755767818, 6259613030, 9389419545, 18778839090]

約数ペア:

[(1, 18778839090), (2, 9389419545), (3, 6259613030), (5, 3755767818), (6, 3129806515), (10, 1877883909), (11, 1707167190), (15, 1251922606), (22, 853583595), (30, 625961303), (33, 569055730), (55, 341433438), (66, 284527865), (110, 170716719), (165, 113811146), (263, 71402430), (330, 56905573), (526, 35701215), (789, 23800810), (1315, 14280486), (1578, 11900405), (2630, 7140243), (2893, 6491130), (3945, 4760162), (5786, 3245565), (7890, 2380081), (8679, 2163710), (14465, 1298226), (17358, 1081855), (28930, 649113), (43395, 432742), (86790, 216371)]