18705228

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 44854656

約数和(自身を除く): 26149428

約数列:

[1, 2, 3, 4, 6, 12, 73, 131, 146, 163, 219, 262, 292, 326, 393, 438, 489, 524, 652, 786, 876, 978, 1572, 1956, 9563, 11899, 19126, 21353, 23798, 28689, 35697, 38252, 42706, 47596, 57378, 64059, 71394, 85412, 114756, 128118, 142788, 256236, 1558769, 3117538, 4676307, 6235076, 9352614, 18705228]

約数ペア:

[(1, 18705228), (2, 9352614), (3, 6235076), (4, 4676307), (6, 3117538), (12, 1558769), (73, 256236), (131, 142788), (146, 128118), (163, 114756), (219, 85412), (262, 71394), (292, 64059), (326, 57378), (393, 47596), (438, 42706), (489, 38252), (524, 35697), (652, 28689), (786, 23798), (876, 21353), (978, 19126), (1572, 11899), (1956, 9563)]