19980966474

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{1229}}^1\times {\mathrm{18433}}^1$

素因数の和:19684

約数の個数: 72

約数和(自身を含む): 50403901860

約数和(自身を除く): 30422935386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 1229, 2458, 3687, 7374, 8603, 11061, 17206, 18433, 22122, 25809, 36866, 51618, 55299, 60221, 77427, 110598, 120442, 129031, 154854, 165897, 180663, 258062, 331794, 361326, 387093, 541989, 774186, 903217, 1083978, 1161279, 1806434, 2322558, 2709651, 5419302, 8128953, 16257906, 22654157, 45308314, 67962471, 135924942, 158579099, 203887413, 317158198, 407774826, 475737297, 951474594, 1110053693, 1427211891, 2220107386, 2854423782, 3330161079, 6660322158, 9990483237, 19980966474]

約数ペア:

[(1, 19980966474), (2, 9990483237), (3, 6660322158), (6, 3330161079), (7, 2854423782), (9, 2220107386), (14, 1427211891), (18, 1110053693), (21, 951474594), (42, 475737297), (49, 407774826), (63, 317158198), (98, 203887413), (126, 158579099), (147, 135924942), (294, 67962471), (441, 45308314), (882, 22654157), (1229, 16257906), (2458, 8128953), (3687, 5419302), (7374, 2709651), (8603, 2322558), (11061, 1806434), (17206, 1161279), (18433, 1083978), (22122, 903217), (25809, 774186), (36866, 541989), (51618, 387093), (55299, 361326), (60221, 331794), (77427, 258062), (110598, 180663), (120442, 165897), (129031, 154854)]