1873481757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 3123671040

約数和(自身を除く): 1250189283

約数列:

[1, 3, 7, 19, 21, 41, 57, 71, 123, 133, 213, 287, 399, 497, 779, 861, 1349, 1491, 1613, 2337, 2911, 4047, 4839, 5453, 8733, 9443, 11291, 16359, 20377, 28329, 30647, 33873, 55309, 61131, 66133, 91941, 114523, 165927, 198399, 214529, 343569, 387163, 462931, 643587, 801661, 1161489, 1256527, 1388793, 2175937, 2404983, 3769581, 4695443, 6527811, 8795689, 14086329, 15231559, 26387067, 32868101, 45694677, 89213417, 98604303, 267640251, 624493919, 1873481757]

約数ペア:

[(1, 1873481757), (3, 624493919), (7, 267640251), (19, 98604303), (21, 89213417), (41, 45694677), (57, 32868101), (71, 26387067), (123, 15231559), (133, 14086329), (213, 8795689), (287, 6527811), (399, 4695443), (497, 3769581), (779, 2404983), (861, 2175937), (1349, 1388793), (1491, 1256527), (1613, 1161489), (2337, 801661), (2911, 643587), (4047, 462931), (4839, 387163), (5453, 343569), (8733, 214529), (9443, 198399), (11291, 165927), (16359, 114523), (20377, 91941), (28329, 66133), (30647, 61131), (33873, 55309)]