18787758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 43110144

約数和(自身を除く): 24322386

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 53, 66, 82, 106, 123, 131, 159, 246, 262, 318, 393, 451, 583, 786, 902, 1166, 1353, 1441, 1749, 2173, 2706, 2882, 3498, 4323, 4346, 5371, 6519, 6943, 8646, 10742, 13038, 13886, 16113, 20829, 23903, 32226, 41658, 47806, 59081, 71709, 76373, 118162, 143418, 152746, 177243, 229119, 284663, 354486, 458238, 569326, 853989, 1707978, 3131293, 6262586, 9393879, 18787758]

約数ペア:

[(1, 18787758), (2, 9393879), (3, 6262586), (6, 3131293), (11, 1707978), (22, 853989), (33, 569326), (41, 458238), (53, 354486), (66, 284663), (82, 229119), (106, 177243), (123, 152746), (131, 143418), (159, 118162), (246, 76373), (262, 71709), (318, 59081), (393, 47806), (451, 41658), (583, 32226), (786, 23903), (902, 20829), (1166, 16113), (1353, 13886), (1441, 13038), (1749, 10742), (2173, 8646), (2706, 6943), (2882, 6519), (3498, 5371), (4323, 4346)]