19909834

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 37627200

約数和(自身を除く): 17717366

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 89, 133, 178, 203, 266, 406, 551, 623, 841, 1102, 1246, 1682, 1691, 2581, 3382, 3857, 5162, 5887, 7714, 11774, 11837, 15979, 18067, 23674, 31958, 36134, 49039, 74849, 98078, 111853, 149698, 223706, 343273, 523943, 686546, 1047886, 1422131, 2844262, 9954917, 19909834]

約数ペア:

[(1, 19909834), (2, 9954917), (7, 2844262), (14, 1422131), (19, 1047886), (29, 686546), (38, 523943), (58, 343273), (89, 223706), (133, 149698), (178, 111853), (203, 98078), (266, 74849), (406, 49039), (551, 36134), (623, 31958), (841, 23674), (1102, 18067), (1246, 15979), (1682, 11837), (1691, 11774), (2581, 7714), (3382, 5887), (3857, 5162)]