19100396

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 23800084

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 223, 266, 322, 437, 446, 532, 644, 874, 892, 931, 1127, 1561, 1748, 1862, 2254, 3059, 3122, 3724, 4237, 4508, 5129, 6118, 6244, 8474, 10258, 10927, 12236, 16948, 20516, 21413, 21854, 29659, 35903, 42826, 43708, 59318, 71806, 85652, 97451, 118636, 143612, 194902, 207613, 251321, 389804, 415226, 502642, 682157, 830452, 1005284, 1364314, 2728628, 4775099, 9550198, 19100396]

約数ペア:

[(1, 19100396), (2, 9550198), (4, 4775099), (7, 2728628), (14, 1364314), (19, 1005284), (23, 830452), (28, 682157), (38, 502642), (46, 415226), (49, 389804), (76, 251321), (92, 207613), (98, 194902), (133, 143612), (161, 118636), (196, 97451), (223, 85652), (266, 71806), (322, 59318), (437, 43708), (446, 42826), (532, 35903), (644, 29659), (874, 21854), (892, 21413), (931, 20516), (1127, 16948), (1561, 12236), (1748, 10927), (1862, 10258), (2254, 8474), (3059, 6244), (3122, 6118), (3724, 5129), (4237, 4508)]