18789650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 19779310

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 127, 254, 269, 275, 538, 550, 635, 1270, 1345, 1397, 2690, 2794, 2959, 3175, 5918, 6350, 6725, 6985, 13450, 13970, 14795, 29590, 34163, 34925, 68326, 69850, 73975, 147950, 170815, 341630, 375793, 751586, 854075, 1708150, 1878965, 3757930, 9394825, 18789650]

約数ペア:

[(1, 18789650), (2, 9394825), (5, 3757930), (10, 1878965), (11, 1708150), (22, 854075), (25, 751586), (50, 375793), (55, 341630), (110, 170815), (127, 147950), (254, 73975), (269, 69850), (275, 68326), (538, 34925), (550, 34163), (635, 29590), (1270, 14795), (1345, 13970), (1397, 13450), (2690, 6985), (2794, 6725), (2959, 6350), (3175, 5918)]