19807249366916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1\times {\mathrm{2134079}}^1$

素因数の和:2137136

約数の個数: 48

約数和(自身を含む): 38359353876480

約数和(自身を除く): 18552104509564

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 2971, 3124, 5942, 11884, 32681, 65362, 130724, 210941, 421882, 843764, 2134079, 2320351, 4268158, 4640702, 8536316, 9281404, 23474869, 46949738, 93899476, 151519609, 303039218, 606078436, 1666715699, 3333431398, 6340348709, 6666862796, 12680697418, 25361394836, 69743835799, 139487671598, 278975343196, 450164758339, 900329516678, 1800659033356, 4951812341729, 9903624683458, 19807249366916]

約数ペア:

[(1, 19807249366916), (2, 9903624683458), (4, 4951812341729), (11, 1800659033356), (22, 900329516678), (44, 450164758339), (71, 278975343196), (142, 139487671598), (284, 69743835799), (781, 25361394836), (1562, 12680697418), (2971, 6666862796), (3124, 6340348709), (5942, 3333431398), (11884, 1666715699), (32681, 606078436), (65362, 303039218), (130724, 151519609), (210941, 93899476), (421882, 46949738), (843764, 23474869), (2134079, 9281404), (2320351, 8536316), (4268158, 4640702)]