18936112

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 40845600

約数和(自身を除く): 21909488

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 149, 169, 188, 208, 298, 338, 376, 596, 611, 676, 752, 1192, 1222, 1352, 1937, 2384, 2444, 2704, 3874, 4888, 7003, 7748, 7943, 9776, 14006, 15496, 15886, 25181, 28012, 30992, 31772, 50362, 56024, 63544, 91039, 100724, 112048, 127088, 182078, 201448, 364156, 402896, 728312, 1183507, 1456624, 2367014, 4734028, 9468056, 18936112]

約数ペア:

[(1, 18936112), (2, 9468056), (4, 4734028), (8, 2367014), (13, 1456624), (16, 1183507), (26, 728312), (47, 402896), (52, 364156), (94, 201448), (104, 182078), (149, 127088), (169, 112048), (188, 100724), (208, 91039), (298, 63544), (338, 56024), (376, 50362), (596, 31772), (611, 30992), (676, 28012), (752, 25181), (1192, 15886), (1222, 15496), (1352, 14006), (1937, 9776), (2384, 7943), (2444, 7748), (2704, 7003), (3874, 4888)]