18021484

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:586

約数の個数: 36

約数和(自身を含む): 34863696

約数和(自身を除く): 16842212

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 503, 676, 689, 1006, 1378, 2012, 2756, 6539, 8957, 13078, 17914, 26156, 26659, 35828, 53318, 85007, 106636, 170014, 340028, 346567, 693134, 1386268, 4505371, 9010742, 18021484]

約数ペア:

[(1, 18021484), (2, 9010742), (4, 4505371), (13, 1386268), (26, 693134), (52, 346567), (53, 340028), (106, 170014), (169, 106636), (212, 85007), (338, 53318), (503, 35828), (676, 26659), (689, 26156), (1006, 17914), (1378, 13078), (2012, 8957), (2756, 6539)]