18218996908

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6442361}}^1$

素因数の和:6442473

約数の個数: 24

約数和(自身を含む): 36798771744

約数和(自身を除く): 18579774836

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 6442361, 12884722, 25769444, 45096527, 90193054, 180386108, 650678461, 1301356922, 2602713844, 4554749227, 9109498454, 18218996908]

約数ペア:

[(1, 18218996908), (2, 9109498454), (4, 4554749227), (7, 2602713844), (14, 1301356922), (28, 650678461), (101, 180386108), (202, 90193054), (404, 45096527), (707, 25769444), (1414, 12884722), (2828, 6442361)]