19974948

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 56985600

約数和(自身を除く): 37010652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 211, 276, 294, 322, 343, 422, 483, 588, 633, 644, 686, 844, 966, 1029, 1127, 1266, 1372, 1477, 1932, 2058, 2254, 2532, 2954, 3381, 4116, 4431, 4508, 4853, 5908, 6762, 7889, 8862, 9706, 10339, 13524, 14559, 15778, 17724, 19412, 20678, 23667, 29118, 31017, 31556, 33971, 41356, 47334, 58236, 62034, 67942, 72373, 94668, 101913, 124068, 135884, 144746, 203826, 217119, 237797, 289492, 407652, 434238, 475594, 713391, 868476, 951188, 1426782, 1664579, 2853564, 3329158, 4993737, 6658316, 9987474, 19974948]

約数ペア:

[(1, 19974948), (2, 9987474), (3, 6658316), (4, 4993737), (6, 3329158), (7, 2853564), (12, 1664579), (14, 1426782), (21, 951188), (23, 868476), (28, 713391), (42, 475594), (46, 434238), (49, 407652), (69, 289492), (84, 237797), (92, 217119), (98, 203826), (138, 144746), (147, 135884), (161, 124068), (196, 101913), (211, 94668), (276, 72373), (294, 67942), (322, 62034), (343, 58236), (422, 47334), (483, 41356), (588, 33971), (633, 31556), (644, 31017), (686, 29118), (844, 23667), (966, 20678), (1029, 19412), (1127, 17724), (1266, 15778), (1372, 14559), (1477, 13524), (1932, 10339), (2058, 9706), (2254, 8862), (2532, 7889), (2954, 6762), (3381, 5908), (4116, 4853), (4431, 4508)]