18967102

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 19187138

約数列:

[1, 2, 7, 11, 14, 22, 29, 31, 58, 62, 77, 137, 154, 203, 217, 274, 319, 341, 406, 434, 638, 682, 899, 959, 1507, 1798, 1918, 2233, 2387, 3014, 3973, 4247, 4466, 4774, 6293, 7946, 8494, 9889, 10549, 12586, 19778, 21098, 27811, 29729, 43703, 46717, 55622, 59458, 69223, 87406, 93434, 123163, 138446, 246326, 305921, 327019, 611842, 654038, 862141, 1354793, 1724282, 2709586, 9483551, 18967102]

約数ペア:

[(1, 18967102), (2, 9483551), (7, 2709586), (11, 1724282), (14, 1354793), (22, 862141), (29, 654038), (31, 611842), (58, 327019), (62, 305921), (77, 246326), (137, 138446), (154, 123163), (203, 93434), (217, 87406), (274, 69223), (319, 59458), (341, 55622), (406, 46717), (434, 43703), (638, 29729), (682, 27811), (899, 21098), (959, 19778), (1507, 12586), (1798, 10549), (1918, 9889), (2233, 8494), (2387, 7946), (3014, 6293), (3973, 4774), (4247, 4466)]