19663072

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4297}}^1$

素因数の和:4331

約数の個数: 48

約数和(自身を含む): 45490032

約数和(自身を除く): 25826960

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4297, 4576, 8594, 17188, 34376, 47267, 55861, 68752, 94534, 111722, 137504, 189068, 223444, 378136, 446888, 614471, 756272, 893776, 1228942, 1512544, 1787552, 2457884, 4915768, 9831536, 19663072]

約数ペア:

[(1, 19663072), (2, 9831536), (4, 4915768), (8, 2457884), (11, 1787552), (13, 1512544), (16, 1228942), (22, 893776), (26, 756272), (32, 614471), (44, 446888), (52, 378136), (88, 223444), (104, 189068), (143, 137504), (176, 111722), (208, 94534), (286, 68752), (352, 55861), (416, 47267), (572, 34376), (1144, 17188), (2288, 8594), (4297, 4576)]