18829912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 37695600

約数和(自身を除く): 18865688

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1697, 2774, 3394, 5548, 6788, 11096, 13576, 32243, 64486, 123881, 128972, 247762, 257944, 495524, 991048, 2353739, 4707478, 9414956, 18829912]

約数ペア:

[(1, 18829912), (2, 9414956), (4, 4707478), (8, 2353739), (19, 991048), (38, 495524), (73, 257944), (76, 247762), (146, 128972), (152, 123881), (292, 64486), (584, 32243), (1387, 13576), (1697, 11096), (2774, 6788), (3394, 5548)]