19970294476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{10861}}^1$

素因数の和:11047

約数の個数: 72

約数和(自身を含む): 40045587120

約数和(自身を除く): 20075292644

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 131, 242, 262, 319, 484, 524, 638, 1276, 1441, 2882, 3509, 3799, 5764, 7018, 7598, 10861, 14036, 15196, 15851, 21722, 31702, 41789, 43444, 63404, 83578, 119471, 167156, 238942, 314969, 459679, 477884, 629938, 919358, 1259876, 1314181, 1422791, 1838716, 2628362, 2845582, 3464659, 5256724, 5691164, 6929318, 13858636, 15650701, 31301402, 38111249, 41260939, 62602804, 76222498, 82521878, 152444996, 165043756, 172157711, 344315422, 453870329, 688630844, 907740658, 1815481316, 4992573619, 9985147238, 19970294476]

約数ペア:

[(1, 19970294476), (2, 9985147238), (4, 4992573619), (11, 1815481316), (22, 907740658), (29, 688630844), (44, 453870329), (58, 344315422), (116, 172157711), (121, 165043756), (131, 152444996), (242, 82521878), (262, 76222498), (319, 62602804), (484, 41260939), (524, 38111249), (638, 31301402), (1276, 15650701), (1441, 13858636), (2882, 6929318), (3509, 5691164), (3799, 5256724), (5764, 3464659), (7018, 2845582), (7598, 2628362), (10861, 1838716), (14036, 1422791), (15196, 1314181), (15851, 1259876), (21722, 919358), (31702, 629938), (41789, 477884), (43444, 459679), (63404, 314969), (83578, 238942), (119471, 167156)]