18775328

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 72

約数和(自身を含む): 43872444

約数和(自身を除く): 25097116

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 352, 373, 416, 484, 572, 746, 968, 1144, 1492, 1573, 1936, 2288, 2984, 3146, 3872, 4103, 4576, 4849, 5968, 6292, 8206, 9698, 11936, 12584, 16412, 19396, 25168, 32824, 38792, 45133, 50336, 53339, 65648, 77584, 90266, 106678, 131296, 155168, 180532, 213356, 361064, 426712, 586729, 722128, 853424, 1173458, 1444256, 1706848, 2346916, 4693832, 9387664, 18775328]

約数ペア:

[(1, 18775328), (2, 9387664), (4, 4693832), (8, 2346916), (11, 1706848), (13, 1444256), (16, 1173458), (22, 853424), (26, 722128), (32, 586729), (44, 426712), (52, 361064), (88, 213356), (104, 180532), (121, 155168), (143, 131296), (176, 106678), (208, 90266), (242, 77584), (286, 65648), (352, 53339), (373, 50336), (416, 45133), (484, 38792), (572, 32824), (746, 25168), (968, 19396), (1144, 16412), (1492, 12584), (1573, 11936), (1936, 9698), (2288, 8206), (2984, 6292), (3146, 5968), (3872, 4849), (4103, 4576)]