18824728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{571}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 38198160

約数和(自身を除く): 19373432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 317, 571, 634, 1142, 1268, 2284, 2536, 4121, 4568, 7423, 8242, 14846, 16484, 29692, 32968, 59384, 181007, 362014, 724028, 1448056, 2353091, 4706182, 9412364, 18824728]

約数ペア:

[(1, 18824728), (2, 9412364), (4, 4706182), (8, 2353091), (13, 1448056), (26, 724028), (52, 362014), (104, 181007), (317, 59384), (571, 32968), (634, 29692), (1142, 16484), (1268, 14846), (2284, 8242), (2536, 7423), (4121, 4568)]