18544396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4007}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 35350560

約数和(自身を除く): 16806164

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4007, 4628, 8014, 16028, 52091, 104182, 208364, 356623, 713246, 1426492, 4636099, 9272198, 18544396]

約数ペア:

[(1, 18544396), (2, 9272198), (4, 4636099), (13, 1426492), (26, 713246), (52, 356623), (89, 208364), (178, 104182), (356, 52091), (1157, 16028), (2314, 8014), (4007, 4628)]