408052018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 711037440

約数和(自身を除く): 302985422

約数列:

[1, 2, 11, 19, 22, 38, 191, 209, 269, 361, 382, 418, 538, 722, 2101, 2959, 3629, 3971, 4202, 5111, 5918, 7258, 7942, 10222, 39919, 51379, 56221, 68951, 79838, 97109, 102758, 112442, 137902, 194218, 565169, 758461, 976201, 1068199, 1130338, 1516922, 1952402, 2136398, 10738211, 18547819, 21476422, 37095638, 204026009, 408052018]

約数ペア:

[(1, 408052018), (2, 204026009), (11, 37095638), (19, 21476422), (22, 18547819), (38, 10738211), (191, 2136398), (209, 1952402), (269, 1516922), (361, 1130338), (382, 1068199), (418, 976201), (538, 758461), (722, 565169), (2101, 194218), (2959, 137902), (3629, 112442), (3971, 102758), (4202, 97109), (5111, 79838), (5918, 68951), (7258, 56221), (7942, 51379), (10222, 39919)]