18689814

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 48825504

約数和(自身を除く): 30135690

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 53, 66, 78, 99, 106, 117, 137, 143, 159, 198, 234, 274, 286, 318, 411, 429, 477, 583, 689, 822, 858, 954, 1166, 1233, 1287, 1378, 1507, 1749, 1781, 2067, 2466, 2574, 3014, 3498, 3562, 4134, 4521, 5247, 5343, 6201, 7261, 7579, 9042, 10494, 10686, 12402, 13563, 14522, 15158, 16029, 19591, 21783, 22737, 27126, 32058, 39182, 43566, 45474, 58773, 65349, 68211, 79871, 94393, 117546, 130698, 136422, 159742, 176319, 188786, 239613, 283179, 352638, 479226, 566358, 718839, 849537, 1038323, 1437678, 1699074, 2076646, 3114969, 6229938, 9344907, 18689814]

約数ペア:

[(1, 18689814), (2, 9344907), (3, 6229938), (6, 3114969), (9, 2076646), (11, 1699074), (13, 1437678), (18, 1038323), (22, 849537), (26, 718839), (33, 566358), (39, 479226), (53, 352638), (66, 283179), (78, 239613), (99, 188786), (106, 176319), (117, 159742), (137, 136422), (143, 130698), (159, 117546), (198, 94393), (234, 79871), (274, 68211), (286, 65349), (318, 58773), (411, 45474), (429, 43566), (477, 39182), (583, 32058), (689, 27126), (822, 22737), (858, 21783), (954, 19591), (1166, 16029), (1233, 15158), (1287, 14522), (1378, 13563), (1507, 12402), (1749, 10686), (1781, 10494), (2067, 9042), (2466, 7579), (2574, 7261), (3014, 6201), (3498, 5343), (3562, 5247), (4134, 4521)]